Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 44159-2024 |
Environmental protection specifications for meteorological detection-meteorological satellite ground station {译} 气象探测环境保护规范-气象卫星地面站 |
China National Standards iron, |
 English PDF |
| GB/T 44150-2024 |
Metallic and other inorganic coatings-Zinc and nickel, cobalt or iron alloy electroplating layers {译} 金属及其他无机覆盖层-锌与镍、钴或铁合金电镀层 |
China National Standards iron, |
English PDF |
| GB/T 6730.88-2024 |
iron ore - Determination of chlorine content - X-ray fluorescence spectrometry {译} 铁矿石-氯含量的测定-X射线荧光光谱法 |
China National Standards iron, |
English PDF |
| GB-14585-2024 |
Technical regulations for radiation environment management of radioactive waste from uranium mining and metallurgy {译} 铀矿冶放射性废物辐射环境管理技术规定 |
China National Standards iron, |
English PDF |
| GB/T 29077-2024 |
Requirements for processing telemetry data of the flight environment at the satellite-rocket interface {译} 星箭界面飞行环境遥测数据处理要求 |
China National Standards iron, |
English PDF |
| GB/T 6730.89-2024 |
iron ore-Determination of thorium content-Arsenazo III spectrophotometry {译} 铁矿石-钍含量的测定-偶氮胂Ⅲ分光光度法 |
China National Standards iron, |
English PDF |
| GB/T 26669-2024 |
Environmental awareness design of electrical and electronic products-Terminology {译} 电工电子产品环境意识设计-术语 |
China National Standards iron, |
English PDF |
| GB/Z 44074-2024 |
Low-voltage switchgear and control equipment and complete sets of equipment-environmental factors {译} 低压开关设备和控制设备及其成套设备-环境因素 |
China National Standards iron, |
English PDF |
| GB/T 718-2024 |
Casting pig iron {译} 铸造用生铁 |
China National Standards iron, |
English PDF |
| GB/T 10322.5-2024 |
iron ore - Determination of moisture content in delivery batches {译} 铁矿石-交货批水分含量的测定 |
China National Standards iron, |
English PDF |
| GB/T 6730.63-2024 |
iron ore - Determination of aluminum, calcium, magnesium, manganese, phosphorus, silicon and titanium content - Inductively coupled plasma emission spectrometry {译} 铁矿石-铝、钙、镁、锰、磷、硅和钛含量的测定-电感耦合等离子体发射光谱法 |
China National Standards iron, |
English PDF |
| GB/T 24189-2024 |
iron ore for blast furnaces - Determination of reducibility expressed as the final reduction index {译} 高炉用铁矿石-用最终还原度指数表示的还原性的测定 |
China National Standards iron, |
English PDF |
| GB/T 10322.3-2024 |
iron ore - Experimental method for checking sampling precision {译} 铁矿石-校核取样精密度的实验方法 |
China National Standards iron, |
English PDF |
| GB/T 44034-2024 |
iron ore - Sampling method of ore pulp {译} 铁矿石-矿浆的取样方法 |
China National Standards iron, |
English PDF |
| GB/T 44032-2024 |
Identification methods for iron ore and iron-containing materials {译} 铁矿石与含铁物料的鉴别方法 |
China National Standards iron, |
English PDF |
| GB/Z 44064-2024 |
Technical report on LED artificial light environment for plant growth {译} 植物生长LED人工光环境技术报告 |
China National Standards iron, |
English PDF |
| GB/T 3653.1-2024 |
Determination of boron iron-boron content-alkali titration method- {译} 硼铁-硼含量的测定-碱量滴定法- |
China National Standards iron, |
English PDF |
| GB/T 44033-2024 |
Calculation methods for utilization of iron ore tailings {译} 铁矿尾矿利用率计算方法 |
China National Standards iron, |
English PDF |
| GB/T 44028-2024 |
Calculation methods for utilization of iron ore waste rock {译} 铁矿废石利用率计算方法 |
China National Standards iron, |
English PDF |
| GB-31335-2024 |
Energy consumption limit per unit product for iron ore mining and ore dressing {译} 铁矿开采和选矿单位产品能源消耗限额 |
China National Standards iron, |
English PDF |
| GB-32051-2024 |
Energy consumption limits per unit product of titanium dioxide and iron oxide pigments {译} 钛白粉和氧化铁颜料单位产品能源消耗限额 |
China National Standards iron, |
English PDF |
| GB/Z 43998-2024 |
Nanotechnology - Methods for measuring the concentration of nanoscale carbon black and amorphous silica in the air of mixed dust manufacturing environments {译} 纳米技术-混合粉尘制造环境空气中纳米级炭黑和无定形二氧化硅浓度的测量方法 |
China National Standards iron, |
English PDF |
| GB/Z 44002-2024 |
Space environment - Methods for determining solar energy proton injection and peak flux {译} 空间环境-太阳能量质子注量和峰值通量的确定方法 |
China National Standards iron, |
English PDF |
| GB/T 11066.12-2024 |
Methods for chemical analysis of gold - Part 12: - Determination of silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithium, sodium, tellurium, vanadium, zirconium, cadmium, molybdenum, rhenium, and aluminum content - Inductively coupled plasma atomic emission spectrometry {译} 金化学分析方法-第12-部分：-银、铜、铁、铅、铋、锑、镁、镍、锰、钯、铬、铂、铑、钛、锌、砷、锡、硅、钴、钙、钾、锂、钠、碲、钒、锆、镉、钼、铼、铝含量的测定-电感耦合等离子体原子发射光谱法 |
China National Standards iron, |
English PDF |
| GB/T 1361-2024 |
General principles and general provisions for iron ore analysis methods {译} 铁矿石分析方法总则及一般规定 |
China National Standards iron, |
English PDF |
| GB/T 17241.1-2024 |
Cast iron pipe flanges - Part 1: PN series {译} 铸铁管法兰-第1部分：PN系列 |
China National Standards iron, |
English PDF |
| GB/T 17241.2-2024 |
Cast iron pipe flanges - Part 2: Class series {译} 铸铁管法兰-第2部分：Class系列 |
China National Standards iron, |
English PDF |
| GB/T 25049-2024 |
Nickel iron {译} 镍铁 |
China National Standards iron, |
English PDF |
| GB/T 25390-2024 |
Wind power generation system - Ductile iron castings for wind turbines {译} 风能发电系统-风力发电机组球墨铸铁件 |
China National Standards iron, |
English PDF |
| GB/T 25392-2024 |
Agricultural engineering - Electrical and electrical Sub-equipment - Environmental resistance test {译} 农业工程-电气和电子设备-耐环境试验 |
China National Standards iron, |
English PDF |
| GB/T 27692-2024 |
iron pellets for blast furnaces {译} 高炉用铁球团矿 |
China National Standards iron, |
English PDF |
| GB/T 3648-2024 |
Tungsten iron {译} 钨铁 |
China National Standards iron, |
English PDF |
| GB/T 4103.18-2024 |
Methods for chemical analysis of lead and lead alloys - Part 18: Determination of silver, copper, bismuth, arsenic, antimony, tin, zinc, iron, cadmium, nickel, magnesium, aluminum, calcium, selenium and tellurium content - Inductively coupled plasma mass spectrometry {译} 铅及铅合金化学分析方法-第18部分：银、铜、铋、砷、锑、锡、锌、铁、镉、镍、镁、铝、钙、硒和碲含量的测定-电感耦合等离子体质谱法 |
China National Standards iron, |
English PDF |
| GB/T 42513.7-2024 |
Chemical analysis methods for nickel alloys-Part 7: Determination of cobalt, chromium, copper, iron and manganese content-Flame atomic absorption spectrometry {译} 镍合金化学分析方法-第7部分：钴、铬、铜、铁和锰含量的测定-火焰原子吸收光谱法 |
China National Standards iron, |
English PDF |
| GB/T 43849-2024 |
Basic Environmental Test Methods for Underwater Robot Complete Machines and Components-Hydrostatic Pressure Test Method {译} 水下机器人整机及零部件基本环境试验方法-水静压力试验方法 |
China National Standards iron, |
English PDF |
| GB/T 43877-2024 |
iron ore - determination method of assimilation performance {译} 铁矿石-同化性能测定方法 |
China National Standards iron, |
English PDF |
| GB/T 43899-2024 |
Pig iron - Determination of multi-element content - Spark discharge atomic emission spectrometry (conventional method) {译} 生铁-多元素含量的测定-火花放电原子发射光谱法（常规法） |
China National Standards iron, |
English PDF |
| GB/T 43901-2024 |
Nickel iron - Arsenic, tin, antimony, lead and bismuth content - Inductively coupled plasma mass spectrometry ( ICP-MS) {译} 镍铁-砷、锡、锑、铅和铋含量-电感耦合等离子体质谱法（ICP-MS） |
China National Standards iron, |
English PDF |
| GB/T 43943-2024 |
Ship environmental noise {译} 船舶环境噪声 |
China National Standards iron, |
English PDF |
| GB/T 43951-2024 |
General quality rules for coated iron and coated aluminum for food containers {译} 食品容器用覆膜铁、覆膜铝质量通则 |
China National Standards iron, |
English PDF |
| GB/T 43967-2024 |
Space environment - single particle effect pulse laser test method for semiconductor devices for aerospace use {译} 空间环境-宇航用半导体器件单粒子效应脉冲激光试验方法 |
China National Standards iron, |
English PDF |
| GB/T 43992-2024 |
Urban light environment construction service quality evaluation specifications {译} 城市光环境建设服务质量评价规范 |
China National Standards iron, |
English PDF |
| GB/T 44000-2024 |
Space Environment - General Requirements for Ground Simulation Test Devices for Space Environment Effects on Materials {译} 空间环境-材料空间环境效应地面模拟试验装置通用要求 |
China National Standards iron, |
English PDF |
| GB/T 44001-2024 |
Space Environment - Geomagnetic Field Reference Model {译} 空间环境-地磁场参考模型 |
China National Standards iron, |
English PDF |
| GB/T 44020-2024 |
Information Technology - Computer Graphics Image Processing and Environmental Data Representation - Representation of Real-time Portraits and Entities in Mixed and Augmented Reality {译} 信息技术-计算机图形图像处理和环境数据表示-混合与增强现实中实时人物肖像和实体的表示 |
China National Standards iron, |
English PDF |
| GB/T 4797.3-2024 |
Classification of environmental conditions - Natural environmental conditions - Part 3: Biological {译} 环境条件分类-自然环境条件-第3部分：生物 |
China National Standards iron, |
English PDF |
| GB/T 6730.73-2024 |
iron Ore-Determination of Total Iron Content-ED TA photometric titration {译} 铁矿石-全铁含量的测定-EDTA光度滴定法 |
China National Standards iron, |
English PDF |
| GB/T 36306-2024 |
Clean rooms and related controlled environments - Technical requirements for control of chemical pollution in air {译} 洁净室及相关受控环境-空气化学污染控制技术要求 |
China National Standards iron, |
English PDF |
| GB/T 20625-2024 |
Special environmental conditions - terminology {译} 特殊环境条件-术语 |
China National Standards iron, |
English PDF |
| GB/T 24021-2024 |
Environmental management-Environmental labeling and declaration-Self-environmental declaration-(Type II environmental labeling) {译} 环境管理-环境标志和声明-自我环境声明-（II型环境标志） |
China National Standards iron, |
English PDF |
| GB/T 25915.16-2024 |
Clean rooms and related controlled environments-Part 16: Improving the energy efficiency of clean rooms and air purification devices {译} 洁净室及相关受控环境-第16部分：提升洁净室和空气净化装置的能效 |
China National Standards iron, |
English PDF |
| GB/T 43685-2024 |
General technical requirements for inflatable membrane structure cabins and controlled environments {译} 充气膜结构舱室及受控环境通用技术要求 |
China National Standards iron, |
English PDF |
| GB/T 43603.2-2024 |
Chemical analysis methods for nickel-platinum target alloys - Part 2: Determination of magnesium, aluminum, titanium, vanadium, chromium, manganese, iron, cobalt, copper, zinc, zirconium, silver, palladium, tin, samarium, lead, silicon content - inductively coupled plasma mass spectrometry - {译} 镍铂靶材合金化学分析方法-第2部分：镁、铝、钛、钒、铬、锰、铁、钴、铜、锌、锆、银、钯、锡、钐、铅、硅含量的测定-电感耦合等离子体质谱法- |
China National Standards iron, |
English PDF |
| GB/T 43753.2-2024 |
Chemical analysis methods for precious metal alloy electroplating wastewater-Part 2: Determination of zinc, manganese, chromium, cadmium, lead, iron, aluminum, nickel, copper and beryllium content-Inductively coupled plasma atomic emission spectrometry {译} 贵金属合金电镀废水化学分析方法-第2部分：锌、锰、铬、镉、铅、铁、铝、镍、铜、铍含量的测定-电感耦合等离子体原子发射光谱法 |
China National Standards iron, |
English PDF |
| GB/T 25915.3-2024 |
Clean rooms and related controlled environments-Part 3: Detection methods {译} 洁净室及相关受控环境-第3部分：检测方法 |
China National Standards iron, |
English PDF |
| GB/T 43699-2024 |
Operation and maintenance service specifications for urban light environment landscape lighting facilities {译} 接入网技术要求-10Gbit/s对称无源光网络（XGS-PON） |
China National Standards iron, |
English PDF |
| GB/T 43766-2024 |
Technical conditions for safety test environment of intelligent networked vehicles-Part 1: Public roads {译} 智能网联汽车运行安全测试技术要求 |
China National Standards iron, |
English PDF |
| GB/T 43778-2024 |
Cast iron rollers {译} 细胞培养液中苯乙烯、2-氯乙醇的测定-气相色谱-质谱（GC-MS）法 |
China National Standards iron, |
English PDF |
| GB/Z 29014.100-2024 |
General technical requirements for aquaculture environmental monitoring systems {译} 切削刀具数据表达与交换-第100部分：参考字典的定义、原则和方法 |
China National Standards iron, |
English PDF |
| GB/T 43620-2023 |
Environmental Management Life Cycle Assessment Data File Format {译} 环境管理 生命周期评价 数据文件格式 |
China National Standards iron, |
English PDF |
| GB/T 43607-2023 |
Palladium ingot analysis method Determination of silver, aluminum, gold, bismuth, chromium, copper, iron, iridium, magnesium, manganese, nickel, lead, platinum, rhodium, ruthenium, silicon, tin, zinc content Spark discharge atomic emission spectrometry {译} 钯锭分析方法 银、铝、金、铋、铬、铜、铁、铱、镁、锰、镍、铅、铂、铑、钌、硅、锡、锌含量测定 火花放电原子发射光谱法 |
China National Standards iron, |
English PDF |
| GB/T 43517-2023 |
Ergonomics of the physical environment Assessment of the environment through environmental surveys (measurements of physical quantities and subjective human evaluations) {译} 物理环境的人类工效学 通过环境调查（物理量测量和人的主观评价）对环境进行评估 |
China National Standards iron, |
English PDF |
| GB/T 43492-2023 |
Prefabricated insulated ductile iron pipes, fittings and accessories {译} 预制保温球墨铸铁管、管件和附件 |
China National Standards iron, |
English PDF |
| GB/T 43459-2023 |
Technical specifications for cell culture operations in clean rooms and controlled environments {译} 洁净室及受控环境中细胞培养操作技术规范 |
China National Standards iron, |
English PDF |
| GB/T 43407.4-2023 |
Road vehicles Ergonomic requirements for driving areas of low-floor passenger buses running on dedicated lines Part 4: Driving area environment {译} 道路车辆 低地板专线行驶客车驾驶区人体工程学要求 第4部分：驾驶区环境 |
China National Standards iron, |
English PDF |
| GB/Z 41305.7-2023 |
Environmental conditions Vibration and shock of electronic equipment Part 7: Transport by rotorcraft {译} 环境条件 电子设备振动和冲击 第7部分：利用旋翼飞机运输 |
China National Standards iron, |
English PDF |
| GB/T 1149.11-2023 |
Internal combustion engines - Piston rings - Part 11: Wedge cast iron rings {译} 内燃机 活塞环 第11部分：楔形铸铁环 |
China National Standards iron, |
English PDF |
| GB 17799.3-2023 |
Electromagnetic Compatibility General Standard Part 3: Emissions from equipment in residential environments {译} 电磁兼容 通用标准 第3部分：居住环境中设备的发射 |
China National Standards iron, |
English PDF |
| GB 14925-2023 |
Laboratory animal environment and facilities {译} 实验动物 环境及设施 |
China National Standards iron, |
English PDF |
| GB/T 43353-2023 |
Odor release testing of building materials products Environmental test chamber method {译} 建材产品的气味释放测试 环境测试舱法 |
China National Standards iron, |
English PDF |
| GB/T 43289-2023 |
Plastics. Test method for determining the rate of decomposition and extent of disintegration of plastic materials in matrices exposed to the marine environment under laboratory conditions. {译} 塑料 实验室条件下测定暴露于海洋环境基质中塑料材料分解率和崩解程度的试验方法 |
China National Standards iron, |
English PDF |
| GB/T 43287-2023 |
Plastics Determination of the degree of disintegration of plastic materials in the marine environment under actual field conditions {译} 塑料 在实际野外条件海洋环境中塑料材料崩解度的测定 |
China National Standards iron, |
English PDF |
| GB/T 5686.9-2023 |
Ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese. Determination of manganese, silicon, phosphorus and iron content. Wavelength dispersive X-ray fluorescence spectrometry (cast glass plate method) {译} 锰铁、锰硅合金、氮化锰铁和金属锰 锰、硅、磷和铁含量的测定 波长色散X射线荧光光谱法(熔铸玻璃片法) |
China National Standards iron, |
English PDF |
| GB/T 3260.11-2023 |
Methods for chemical analysis of tin Part 11: Determination of copper, iron, bismuth, lead, antimony, arsenic, aluminum, zinc, cadmium, silver, nickel and cobalt content - Inductively coupled plasma atomic emission spectrometry {译} 锡化学分析方法 第11部分：铜、铁、铋、铅、锑、砷、铝、锌、镉、银、镍和钴含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards iron, |
English PDF |
| GB/T 43344-2023 |
Specification for magnetic materials (iron and steel) for use in relays {译} 继电器用磁性材料（铁和钢）规范 |
China National Standards iron, |
English PDF |
| GB/T 43385-2023 |
Environmental Management Systems Guidance on a flexible approach to phased implementation {译} 环境管理体系 采取灵活方法分阶段实施的指南 |
China National Standards iron, |
English PDF |
| GB/T 25715-2023 |
Pipe mold for centrifugally cast ductile iron pipe {译} 离心铸造球墨铸铁管用管模 |
China National Standards iron, |
English PDF |
| GB/T 43311-2023 |
Ductile iron pipe design method {译} 球墨铸铁管设计方法 |
China National Standards iron, |
English PDF |
| GB/T 43347-2023 |
Monitoring of environmental parameters of electrical, instrumentation and control equipment important for nuclear power plant safety {译} 核电厂安全重要电气、仪表与控制设备环境参数的监测 |
China National Standards iron, |
English PDF |
| GB/T 43316.6-2023 |
Plastics - Determination of environmental stress cracking (ESC) resistance - Part 6: Slow strain rate method {译} 塑料 耐环境应力开裂(ESC)的测定 第6部分:慢应变速率法 |
China National Standards iron, |
English PDF |
| GB/T 43316.5-2023 |
Plastics - Determination of environmental stress cracking (ESC) resistance - Part 5: Constant tensile deformation method {译} 塑料 耐环境应力开裂(ESC)的测定 第5部分:恒定拉伸变形法 |
China National Standards iron, |
English PDF |
| GB/T 43316.4-2023 |
Plastics - Determination of environmental stress cracking (ESC) resistance - Part 4: Ball or pin pressure method {译} 塑料 耐环境应力开裂(ESC)的测定 第4部分:球压或针压法 |
China National Standards iron, |
English PDF |
| GB/T 43316.3-2023 |
Plastics - Determination of environmental stress cracking (ESC) resistance - Part 3: Bending method {译} 塑料 耐环境应力开裂(ESC)的测定 第3部分:弯曲法 |
China National Standards iron, |
English PDF |
| GB/T 43316.2-2023 |
Plastics - Determination of environmental stress cracking (ESC) resistance - Part 2: Constant tensile load method {译} 塑料 耐环境应力开裂(ESC)的测定 第2部分:恒定拉伸负荷法 |
China National Standards iron, |
English PDF |
| GB/T 43316.1-2023 |
Plastics - Determination of environmental stress cracking (ESC) resistance - Part 1: General principles {译} 塑料 耐环境应力开裂(ESC)的测定 第1部分:通则 |
China National Standards iron, |
English PDF |
| GB 1903.62-2023 |
National Food Safety Standards Food Nutritional Enhancers Reduced Iron {译} 食品安全国家标准 食品营养强化剂 还原铁 |
China National Standards iron, |
English PDF |
| GB/T 9439-2023 |
Gray cast iron parts {译} 灰铸铁件 |
China National Standards iron, |
English PDF |
| GB/T 5170.21-2023 |
Inspection methods for environmental testing equipment Part 21: Hydraulic vibration systems for vibration (random) testing {译} 环境试验设备检验方法 第21部分：振动（随机）试验用液压式振动系统 |
China National Standards iron, |
English PDF |
| GB/T 5170.14-2023 |
Inspection methods for environmental testing equipment Part 14: Electric vibration system for vibration (sinusoidal) testing {译} 环境试验设备检验方法 第14部分：振动（正弦）试验用电动式振动系统 |
China National Standards iron, |
English PDF |
| GB/T 43204-2023 |
Environmental protection requirements for laser repair process {译} 激光修复过程环境保护要求 |
China National Standards iron, |
English PDF |
| GB/T 43124-2023 |
Ship and Marine Technology Marine Environmental Protection Storage Tanks and Piping Systems for 5 ppm Oil and Water Separation {译} 船舶与海洋技术 海上环境保护 5 ppm油水分离用储罐和管路系统 |
China National Standards iron, |
English PDF |
| GB/T 24976-2023 |
Environmentally conscious design guidelines for electrical accessories {译} 电器附件环境意识设计导则 |
China National Standards iron, |
English PDF |
| GB/T 24975-2023 |
Environmentally Aware Design Guidelines for Low Voltage Electrical Appliances {译} 低压电器环境意识设计导则 |
China National Standards iron, |
English PDF |
| GB/T 24733-2023 |
Isothermal quenching ductile iron castings {译} 等温淬火球墨铸铁件 |
China National Standards iron, |
English PDF |
| GB/T 2423.64-2023 |
Environmental testing Part 2: Test method Test Fj: Vibration Long-term history reproduction {译} 环境试验 第2部分：试验方法 试验Fj：振动 长时间历程再现 |
China National Standards iron, |
English PDF |
| GB/T 2423.56-2023 |
Environmental testing Part 2: Test methods Test Fh: Broadband random vibration and guidelines {译} 环境试验 第2部分：试验方法 试验Fh：宽带随机振动和导则 |
China National Standards iron, |
English PDF |
| GB/T 2423.55-2023 |
Environmental testing Part 2: Test methods Test Eh: Hammer test {译} 环境试验 第2部分：试验方法 试验Eh：锤击试验 |
China National Standards iron, |
English PDF |
| GB/T 10322.9-2023 |
iron ore - Determination of specific surface area - Blaine permeability method {译} 铁矿石 比表面积的测定 勃氏透气法 |
China National Standards iron, |
English PDF |
| GB/T 42846-2023 |
Space environment Ground simulation method of space radiation effects of non-metallic materials {译} 空间环境 非金属材料空间辐射效应地面模拟方法 |
China National Standards iron, |
English PDF |
| GB/T 42794-2023 |
Nickel iron - Determination of carbon, sulfur, silicon, phosphorus, nickel, cobalt, chromium and copper content - Spark source atomic emission spectrometry {译} 镍铁 碳、硫、硅、磷、镍、钴、铬和铜含量的测定 火花源原子发射光谱法 |
China National Standards iron, |
English PDF |
| GB/T 10322.1-2023 |
iron Ore Sampling and Preparation Methods {译} 铁矿石 取样和制样方法 |
China National Standards iron, |
English PDF |
| GB/T 6730.87-2023 |
iron ore, determination of total iron and other multi-element content, wavelength dispersive X-ray fluorescence spectrometry (cobalt internal standard method) {译} 铁矿石 全铁及其他多元素含量的测定 波长色散X射线荧光光谱法（钴内标法） |
China National Standards iron, |
English PDF |
| GB/T 6730.86-2023 |
iron ore Determination of radionuclides Inductively coupled plasma mass spectrometry {译} 铁矿石 放射性核素的测定 电感耦合等离子体质谱法 |
China National Standards iron, |
English PDF |
| GB/T 6730.85-2023 |
iron ore - Preparation and determination of certified standard samples for chemical analysis {译} 铁矿石 化学分析用有证标准样品的制备和定值 |
China National Standards iron, |
English PDF |
| GB/T 6730.84-2023 |
iron ore - Determination of total rare earth content - Inductively coupled plasma atomic emission spectrometry {译} 铁矿石 稀土总量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards iron, |
English PDF |
| GB/T 42629.4-2023 |
International Code of Conduct for Environmental Surveys of Seabed Areas and High Seas Part 4: Survey of Physical Properties of Marine Sediments {译} 国际海底区域和公海环境调查规程 第4部分：海洋沉积物物理特性调查 |
China National Standards iron, |
English PDF |
| GB/T 42668-2023 |
Samarium iron nitrogen bonded permanent magnet powder {译} 钐铁氮粘结永磁粉 |
China National Standards iron, |
English PDF |
| GB/T 42672-2023 |
Corrosion of metals and alloys - Methods for monitoring environmental factors in surface seawater exposure tests {译} 金属和合金的腐蚀 表层海水暴露试验环境因素监测方法 |
China National Standards iron, |
English PDF |
| GB/T 42661-2023 |
Corrosion of metals and alloys Test method for stress corrosion susceptibility of steel bars in simulated marine environment {译} 金属和合金的腐蚀 模拟海洋环境中钢筋应力腐蚀敏感性试验方法 |
China National Standards iron, |
English PDF |
| GB/T 42828.1-2023 |
General technology for saline-alkali land improvement Part 1: iron tailings improvement {译} 盐碱地改良通用技术 第1部分：铁尾砂改良 |
China National Standards iron, |
English PDF |
| GB/T 10593.2-2023 |
Measurement methods for environmental parameters of electrical and electronic products Part 2: Salt spray {译} 电工电子产品环境参数测量方法 第2部分：盐雾 |
China National Standards iron, |
English PDF |
| GB/T 42841-2023 |
Ergonomics of Thermal Environments Assessment and Management of Heat and Cold Stress in the Human Body {译} 热环境的人类工效学 人体冷热应激评估与管理 |
China National Standards iron, |
English PDF |
| GB/T 40261.1-2023 |
Ergonomics of the thermal environment Assessment of the thermal environment in vehicles Part 1: Principles and methods of heat stress assessment and equivalent temperature determination {译} 热环境的人类工效学 交通工具内热环境评价 第1部分:热应激评估原理与方法和等效温度测定 |
China National Standards iron, |
English PDF |
| GB/T 17799.2-2023 |
Electromagnetic compatibility - Generic standards - Part 2: Immunity criteria in industrial environments {译} 电磁兼容 通用标准 第2部分：工业环境中的抗扰度标准 |
China National Standards iron, |
English PDF |
| GB/T 14092.2-2023 |
Environmental conditions for mechanical products - Part 2: Cold {译} 机械产品环境条件 第2部分：寒冷 |
China National Standards iron, |
English PDF |
| GB/T 14092.1-2023 |
Environmental conditions for mechanical products - Part 1: Damp heat {译} 机械产品环境条件 第1部分：湿热 |
China National Standards iron, |
English PDF |
| GB/T 41638.3-2023 |
Plastics - Carbon and environmental footprints of bio-based plastics - Part 3: Requirements and guidelines for the quantification of process carbon footprints {译} 塑料 生物基塑料的碳足迹和环境足迹 第3部分：过程碳足迹 量化要求与准则 |
China National Standards iron, |
English PDF |
| GB/T 41638.2-2023 |
Plastics - Carbon and environmental footprints of bio-based plastics - Part 2: Carbon footprint of materials - Amount (mass) of CO2 incorporated into polymer molecules from the air {译} 塑料 生物基塑料的碳足迹和环境足迹 第2部分：材料碳足迹 由空气中并入到聚合物分子中CO2的量（质量） |
China National Standards iron, |
English PDF |
| GB/T 25171-2023 |
Livestock and poultry breeding environment and terminology of waste management {译} 畜禽养殖环境与废弃物管理术语 |
China National Standards iron, |
English PDF |
| GB/T 4798.4-2023 |
Classification of environmental conditions Classification of environmental parameter groups and their severity levels Part 4: Stationary use in places without weather protection {译} 环境条件分类 环境参数组分类及其严酷程度分级 第4部分：无气候防护场所固定使用 |
China National Standards iron, |
English PDF |
| GB/T 42572-2023 |
Information Security Technology Trusted Execution Environment Service Specification {译} 信息安全技术 可信执行环境服务规范 |
China National Standards iron, |
English PDF |
| GB/T 4798.3-2023 |
Classification of environmental conditions Classification of environmental parameter groups and their severity classification Part 3: Stationary use in places with weather protection {译} 环境条件分类 环境参数组分类及其严酷程度分级 第3部分：有气候防护场所固定使用 |
China National Standards iron, |
English PDF |
| GB/T 42515-2023 |
Metal powders - Determination of acid-insoluble content in iron, copper, tin and bronze powders {译} 金属粉末 铁、铜、锡和青铜粉末中酸不溶物含量的测定 |
China National Standards iron, |
English PDF |
| GB/T 42511-2023 |
Cemented carbide - Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt powder - Flame atomic absorption spectrometry {译} 硬质合金 钴粉中钙、铜、铁、钾、镁、锰、钠、镍和锌含量的测定 火焰原子吸收光谱法 |
China National Standards iron, |
English PDF |
| GB/T 26656-2023 |
Metallographic examination of vermicular graphite cast iron {译} 蠕墨铸铁金相检验 |
China National Standards iron, |
English PDF |
| GB/T 7216-2023 |
Metallographic examination of gray cast iron {译} 灰铸铁金相检验 |
China National Standards iron, |
English PDF |
| GB/Z 42521-2023 |
iron ore - Acid dissolution or alkali fusion method for test specimens {译} 铁矿石 试样的酸溶解或碱熔融方法 |
China National Standards iron, |
English PDF |
| GB/T 42686-2023 |
Ships and marine technology - Offshore environmental protection - Specifications for the design and selection of sorbents {译} 船舶与海上技术 海上环境保护 吸着剂的设计和选用规范 |
China National Standards iron, |
English PDF |
| GB/T 42522-2023 |
Detection method of static air leakage rate in iron ore sintering system {译} 铁矿烧结系统静态漏风率检测方法 |
China National Standards iron, |
English PDF |
| GB/T 42523-2023 |
iron ore fines - Determination of wet capacity {译} 铁矿粉 湿容量的测定方法 |
China National Standards iron, |
English PDF |
| GB/Z 42520-2023 |
Laboratory Manual for X-ray Fluorescence Spectroscopy Analysis of iron Ore {译} 铁矿石X射线荧光光谱分析实验室操作指南 |
China National Standards iron, |
English PDF |
| GB/T 42557-2023 |
Technical specification for radio telescope electromagnetic environment protection {译} 射电望远镜电磁环境保护技术规范 |
China National Standards iron, |
English PDF |
| GB/T 26416.9-2023 |
Methods for chemical analysis of rare earth iron alloys - Part 9: Determination of phosphorus content - Bismuth phosphomolybdenum blue spectrophotometric method {译} 稀土铁合金化学分析方法 第9部分：磷量的测定 铋磷钼蓝分光光度法 |
China National Standards iron, |
English PDF |
| GB/T 26416.8-2023 |
Methods for chemical analysis of rare earth iron alloys - Part 8: Determination of silicon content - Photometric method {译} 稀土铁合金化学分析方法 第8部分：硅量的测定 光度法 |
China National Standards iron, |
English PDF |
| GB/T 26416.7-2023 |
Chemical analysis methods of rare earth iron alloys - Part 7: Determination of carbon and sulfur content - High frequency-infrared absorption method {译} 稀土铁合金化学分析方法 第7部分：碳、硫量的测定 高频-红外吸收法 |
China National Standards iron, |
English PDF |
| GB/T 42524-2023 |
Bulk iron ore fines - Determination of transportable moisture limit - Compaction curve method {译} 散装铁矿粉 适运水分限量的测定 压实曲线法 |
China National Standards iron, |
English PDF |
| GB/T 8152.17-2023 |
Methods for chemical analysis of lead concentrates - Part 17: Determination of aluminum, magnesium, iron, copper, zinc, cadmium, arsenic, antimony, bismuth, calcium content - Inductively coupled plasma atomic emission spectrometry {译} 铅精矿化学分析方法 第17部分：铝、镁、铁、铜、锌、镉、砷、锑、铋、钙含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards iron, |
English PDF |
| GB/T 42632-2023 |
Technical requirements for underwater cabled online monitoring system for marine ecological environment {译} 海洋生态环境水下有缆在线监测系统技术要求 |
China National Standards iron, |
English PDF |
| GB/T 38924.11-2023 |
Environmental test methods for civil light and small unmanned aerial vehicle systems - Part 11: Mold test {译} 民用轻小型无人机系统环境试验方法 第11部分：霉菌试验 |
China National Standards iron, |
English PDF |
| GB/T 6730.51-2023 |
iron ores - Determination of carbon content in carbonates - Caustic soda asbestos absorption gravimetric method {译} 铁矿石 碳酸盐中碳含量的测定 烧碱石棉吸收重量法 |
China National Standards iron, |
English PDF |
| GB/T 42629.3-2023 |
International Code of Conduct for Environmental Surveys of Seabed Areas and the High Seas Part 3: Surveys of Marine Life {译} 国际海底区域和公海环境调查规程 第3部分：海洋生物调查 |
China National Standards iron, |
English PDF |
| GB/T 42629.2-2023 |
International Code of Conduct for Environmental Surveys of Seabed Areas and the High Seas Part 2: Marine Chemical Surveys {译} 国际海底区域和公海环境调查规程 第2部分：海洋化学调查 |
China National Standards iron, |
English PDF |
| GB/T 42629.1-2023 |
International Code of Conduct for Environmental Surveys of Seabed Areas and the High Seas Part 1: General {译} 国际海底区域和公海环境调查规程 第1部分：总则 |
China National Standards iron, |
English PDF |
| GB/T 42554-2023 |
General requirements for environmental testing of measuring instruments {译} 计量器具环境试验的通用要求 |
China National Standards iron, |
English PDF |
| GB/T 39139.2-2023 |
Shale gas—Environmental protection—Part 2: Recommended practices for environmental protection in production operations {译} 页岩气 环境保护 第2部分：生产作业环境保护推荐作法 |
China National Standards iron, |
English PDF |
| GB/T 42318-2023 |
Guidelines for Environmental Impact Assessment of Electrochemical Energy Storage Power Stations {译} 电化学储能电站环境影响评价导则 |
China National Standards iron, |
English PDF |
| GB/T 42445-2023 |
Industrial Automation and Control Systems Security Patch Management in an IACS Environment {译} 工业自动化和控制系统安全 IACS环境下的补丁管理 |
China National Standards iron, |
English PDF |
| GB/Z 42358-2023 |
iron ore - Wavelength dispersive X-ray fluorescence spectrometer - Determination of accuracy {译} 铁矿石 波长色散X射线荧光光谱仪 精度的测定 |
China National Standards iron, |
English PDF |
| GB/T 24002.1-2023 |
Environmental management system - Application of GB/T 24001 Guidelines for managing environmental aspects and responding to environmental conditions for environmental subject areas - Part 1: General principles {译} 环境管理体系 针对环境主题领域应用 GB/T 24001管理环境因素和应对环境状况的指南 第1部分：通则 |
China National Standards iron, |
English PDF |
| GB/T 8464-2023 |
Iron, copper and stainless steel threaded connection valves {译} 铁制、铜制和不锈钢制螺纹连接阀门 |
China National Standards iron, |
English PDF |
| GB/T 26416.6-2023 |
Methods for chemical analysis of rare earth iron alloys - Part 6: Determination of molybdenum, tungsten, titanium content - Inductively coupled plasma emission spectrometry {译} 稀土铁合金化学分析方法 第6部分：钼、钨、钛量的测定 电感耦合等离子体发射光谱法 |
China National Standards iron, |
English PDF |
| GB/T 42352-2023 |
Metallic coatings - Physical vapor deposition of cadmium coatings on iron and steel - Specifications and test methods {译} 金属覆盖层 钢铁上物理气相沉积镉涂层 技术规范与试验方法 |
China National Standards iron, |
English PDF |
| GB/T 5170.20-2022 |
Test methods for environmental test equipment - Part 20: Water test equipment {译} 环境试验设备检验方法 第20部分：水试验设备 |
China National Standards iron, |
English PDF |
| GB/T 5170.18-2022 |
Test methods for environmental test equipment - Part 18: Temperature/humidity combined cycle test equipment {译} 环境试验设备检验方法 第18部分：温度/湿度组合循环试验设备 |
China National Standards iron, |
English PDF |
| GB/T 223.54-2022 |
Iron, steel and alloys - Determination of nickel content - Flame atomic absorption spectrometry {译} 钢铁及合金 镍含量的测定 火焰原子吸收光谱法 |
China National Standards iron, |
English PDF |
| GB/T 19608.2-2022 |
Classification of special environmental conditions Part 2: hot and dry desert {译} 特殊环境条件分级 第2部分：干热沙漠 |
China National Standards iron, |
English PDF |
| GB/T 19608.1-2022 |
Classification for special environmental conditions Part 1: Dry heat {译} 特殊环境条件分级 第1部分：干热 |
China National Standards iron, |
English PDF |
| GB/T 2423.16-2022 |
Environmental testing - Part 2: Test methods - Test J and guidance: Mold growth {译} 环境试验 第2部分：试验方法 试验J和导则：长霉 |
China National Standards iron, |
English PDF |
| GB/T 2423.54-2022 |
Environmental testing - Part 2: Test methods - Test Xc: Fluid contamination {译} 环境试验 第2部分：试验方法 试验Xc:流体污染 |
China National Standards iron, |
English PDF |
| GB/T 2423.24-2022 |
Environmental testing - Part 2: Test methods - Test S: Simulation of solar radiation on the ground and guidelines for solar radiation tests and weathering tests {译} 环境试验 第2部分：试验方法 试验S：模拟地面上的太阳辐射及太阳辐射试验和气候老化试验导则 |
China National Standards iron, |
English PDF |
| GB/T 23156-2022 |
Packaging Packaging and the Environment Terminology {译} 包装 包装与环境 术语 |
China National Standards iron, |
English PDF |
| GB/T 41638.1-2022 |
Plastics - Carbon and environmental footprints of bio-based plastics - Part 1: General principles {译} 塑料 生物基塑料的碳足迹和环境足迹 第1部分：通则 |
China National Standards iron, |
English PDF |
| GB/T 7717.16-2022 |
Acrylonitrile for industrial use - Part 16: Determination of iron and copper content - Graphite furnace atomic absorption spectrometry and inductively coupled plasma mass spectrometry {译} 工业用丙烯腈 第16部分：铁、铜含量的测定 石墨炉原子吸收光谱法和电感耦合等离子体质谱法 |
China National Standards iron, |
English PDF |
| GB/T 41654-2022 |
Corrosion of metals and alloys - Method for metallographic examination of specimens after exposure to high temperature corrosive environments {译} 金属和合金的腐蚀 在高温腐蚀环境下暴露后试样的金相检验方法 |
China National Standards iron, |
English PDF |
| GB/T 223.63-2022 |
Iron, steel and alloys - Determination of manganese content - Sodium (potassium) periodate spectrophotometric method {译} 钢铁及合金 锰含量的测定 高碘酸钠（钾）分光光度法 |
China National Standards iron, |
English PDF |
| GB/T 41542-2022 |
General Specifications for Earth Satellite Orbit Space Environment Exploration Elements {译} 地球卫星轨道空间环境探测要素通用规范 |
China National Standards iron, |
English PDF |
| GB/T 41543-2022 |
Space environment General specification for space environment effect simulation test of aerospace materials {译} 空间环境 航天材料空间环境效应模拟试验通用规范 |
China National Standards iron, |
English PDF |
| GB/T 41523-2022 |
Paper, board and pulp - Determination of total magnesium, calcium, manganese, iron and copper {译} 纸、纸板和纸浆 镁、钙、锰、铁及铜总量的测定 |
China National Standards iron, |
English PDF |
| GB/T 41668-2022 |
Chemicals - Determination of release rate of preservative treated wood to the environment {译} 化学品 防腐处理的木材向环境释放速率的测定方法 |
China National Standards iron, |
English PDF |
| GB/T 18916.2-2022 |
Water abstraction quotas Part 2: iron and steel complexes {译} 取水定额 第2部分：钢铁联合企业 |
China National Standards iron, |
English PDF |
| GB/Z 41305.2-2022 |
Environmental conditions - vibration and shock of electronic equipment - Part 2: storage and handling of equipment {译} 环境条件 电子设备振动和冲击 第2部分：设备的贮存和搬运 |
China National Standards iron, |
English PDF |
| GB/T 20565-2022 |
Terminology of iron ore and direct reduced iron {译} 铁矿石和直接还原铁 术语 |
China National Standards iron, |
English PDF |
| GB/T 10322.6-2022 |
Determination of hot cracking index of iron ore for blast furnace charge {译} 高炉炉料用铁矿石 热裂指数的测定 |
China National Standards iron, |
English PDF |
| GB/T 6730.60-2022 |
iron ores - Determination of nickel content - Flame atomic absorption spectrometric method {译} 铁矿石 镍含量的测定 火焰原子吸收光谱法 |
China National Standards iron, |
English PDF |
| GB/T 6730.5-2022 |
iron ores -- Determination of total iron content -- Titrimetric method after titanium trichloride reduction {译} 铁矿石 全铁含量的测定 三氯化钛还原后滴定法 |
China National Standards iron, |
English PDF |
| GB/T 41497-2022 |
Vanadium, iron, vanadium, silicon, phosphorus, manganese, aluminum and iron determination of content wavelength dispersive X-ray fluorescence spectrometric method {译} 钒铁 钒、硅、磷、锰、铝、铁含量的测定 波长色散X射线荧光光谱法 |
China National Standards iron, |
English PDF |
| GB/T 41493.2-2022 |
Accelerated life test method for mixed metal oxide anodes for cathodic protection part 2: application in soil and natural water environment {译} 阴极保护用混合金属氧化物阳极的加速寿命试验方法 第2部分：应用于土壤和自然水环境中 |
China National Standards iron, |
English PDF |
| GB/T 41459-2022 |
Space environment total solar irradiance {译} 空间环境 空间太阳总辐照度 |
China National Standards iron, |
English PDF |
| GB/T 41458-2022 |
Space environment is the plasma environment that produces the worst potential difference on the surface of spacecraft {译} 空间环境 产生航天器表面最恶劣电位差的等离子体环境 |
China National Standards iron, |
English PDF |
| GB/T 41457-2022 |
Guide for the selection of the confidence level of the solar proton fluence and its statistical model in geosynchronous orbit in space environment {译} 空间环境 地球同步轨道太阳质子注量及其统计模型置信度选择指南 |
China National Standards iron, |
English PDF |
| GB/T 41456-2022 |
Detection method of nano titanium dioxide dust concentration in nanotechnology production environment Spectrophotometry {译} 纳米技术 生产环境纳米二氧化钛粉尘浓度检测方法 分光光度法 |
China National Standards iron, |
English PDF |
| GB/T 41441.2-2022 |
Good production environment of large-scale livestock and poultry farms Part 2: technical requirements for livestock and poultry houses {译} 规模化畜禽场良好生产环境 第2部分：畜禽舍技术要求 |
China National Standards iron, |
English PDF |
| GB/T 41441.1-2022 |
Good production environment of large-scale livestock and poultry farms Part 1: site requirements {译} 规模化畜禽场良好生产环境 第1部分：场地要求 |
China National Standards iron, |
English PDF |
| GB/T 41388-2022 |
Information security technology trusted execution environment basic security specification {译} 信息安全技术 可信执行环境 基本安全规范 |
China National Standards iron, |
English PDF |
| GB/T 3222.2-2022 |
Acoustics—Description, measurement and assessment of environmental noise—Part 2: Determination of sound pressure levels 声学 环境噪声的描述、测量与评价 第2部分：声压级测定 |
China National Standards iron, |
English PDF |
| GB/T 3222.1-2022 |
Acoustics—Description, measurement and assessment of environmental noise—Part 1: Basic quantities and assessment procedures 声学 环境噪声的描述、测量与评价 第1部分：基本参量与评价方法 |
China National Standards iron, |
English PDF |
| GB/T 3286.11-2022 |
Methods for chemical analysis of limestone and dolomite—Part 11: Determination of calcium oxide, magnesium oxide, silicon dioxide, aluminium oxide and iron oxide content—Wavelength dispersive X-ray fluorescence spectrometry (Fused cast bead method) 石灰石及白云石化学分析方法 第11部分：氧化钙、氧化镁、二氧化硅、氧化铝及氧化铁含量的测定 波长色散X射线荧光光谱法(熔铸玻璃片法) |
China National Standards iron, |
English PDF |
| GB/T 26655-2022 |
Compacted（vermicular）graphite iron castings 蠕墨铸铁件 |
China National Standards iron, |
English PDF |
| GB/T 41330-2022 |
Analysis method of boiler water and cooling water Determination of trace copper, iron, sodium, calcium, magnesium content Inductively coupled plasma mass spectrometry (ICP-MS) method {译} 锅炉用水和冷却水分析方法 痕量铜、铁、钠、钙、镁含量的测定 电感耦合等离子体质谱(ICP-MS)法 |
China National Standards iron, |
English PDF |
| GB/T 41301-2022 |
IPv6 address management requirements in intelligent manufacturing environment {译} 智能制造环境下的IPv6地址管理要求 |
China National Standards iron, |
English PDF |
| GB/T 41381-2022 |
Technical specifications for environmental management of influenza prevention and control in large-scale poultry farms {译} 规模化家禽饲养场流感防控环境管理技术规范 |
China National Standards iron, |
English PDF |
| GB/T 16145-2022 |
Gamma Spectroscopy Analysis Method of Radionuclides in Environmental and Biological Samples {译} 环境及生物样品中放射性核素的γ能谱分析方法 |
China National Standards iron, |
English PDF |
| GB/T 42284.5-2022 |
Road vehicles - Environmental conditions and tests for electrical and electronic equipment used in electric vehicle drive systems - Part 5: Chemical loads {译} 道路车辆 电动汽车驱动系统用电气及电子设备的环境条件和试验 第5部分：化学负荷 |
China National Standards iron, |
English PDF |
| GB/T 42284.4-2022 |
Road vehicles - Environmental conditions and tests for electrical and electronic equipment used in electric vehicle drive systems - Part 4: Climatic loads {译} 道路车辆 电动汽车驱动系统用电气及电子设备的环境条件和试验 第4部分：气候负荷 |
China National Standards iron, |
English PDF |
| GB/T 42284.3-2022 |
Road vehicles - Environmental conditions and tests for electrical and electronic equipment used in electric vehicle drive systems - Part 3: Mechanical loads {译} 道路车辆 电动汽车驱动系统用电气及电子设备的环境条件和试验 第3部分：机械负荷 |
China National Standards iron, |
English PDF |
| GB/T 42284.1-2022 |
Road vehicles - Environmental conditions and tests for electrical and electronic equipment used in electric vehicle drive systems - Part 1: General provisions {译} 道路车辆 电动汽车驱动系统用电气及电子设备的环境条件和试验 第1部分：一般规定 |
China National Standards iron, |
English PDF |
| GB/T 42242-2022 |
Space environment Radiation effects assessment of commercial off-the-shelf (COTS) devices for low-orbit satellites {译} 空间环境 用于低轨道卫星的商业现货（COTS）器件的辐射效应评估 |
China National Standards iron, |
English PDF |
| GB/Z 42245-2022 |
Space Environment Applied Estimation of Solar Wind Energy Input to the Earth's Magnetosphere Using the Ground-Based Pole Cover (PC) Index {译} 空间环境 利用地基磁极盖（PC）指数对输入地球磁层的太阳风能量的应用估算 |
China National Standards iron, |
English PDF |
| GB/T 42214-2022 |
Space environment Low-altitude (300km-600km) high-energy radiation model {译} 空间环境 低高度（300km～600 km）高能辐射模型 |
China National Standards iron, |
English PDF |
| GB/Z 42244-2022 |
Space environment. Procedure for obtaining worst-case and confidence levels of the Earth's radiation belt fluence using quasi-dynamic models {译} 空间环境 利用准动态模型获得地球辐射带注量的最劣情况和置信水平的程序 |
China National Standards iron, |
English PDF |
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