China National Standards

China civil GB Standards List


  •  China "civil" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 44169-2024 General requirements for ground stations of large and medium-sized fixed-wing UAV systems for civil use {译}
    民用大中型固定翼无人机系统地面站通用要求
    China National Standards
    civil

    English PDF
    GB/T 44168-2024 Requirements for the implementation of risk subjects for test flights of large and medium-sized fixed-wing UAV systems for civil use {译}
    民用大中型固定翼无人机系统试飞风险科目实施要求
    China National Standards
    civil

    English PDF
    GB/T 44166-2024 Requirements for autonomous flight test of large and medium-sized civil fixed-wing unmanned aerial vehicle systems {译}
    民用大中型固定翼无人机系统自主能力飞行试验要求
    China National Standards
    civil

    English PDF
    GB/T 44091-2024 Product labeling requirements for civil unmanned aerial vehicles {译}
    民用无人驾驶航空器产品标识要求
    China National Standards
    civil

    English PDF
    GB/T 43919-2024 Integration requirements for digital production workshops for civil aviation forgings {译}
    民用航空锻件数字化生产车间集成要求
    China National Standards
    civil

    English PDF
    GB/T 43570-2023 civil unmanned aircraft system identification general requirements {译}
    民用无人驾驶航空器系统身份识别 总体要求
    China National Standards
    civil

    English PDF
    GB/T 43551-2023 civil unmanned aircraft system identification three-dimensional space location identification coding {译}
    民用无人驾驶航空器系统身份识别 三维空间位置标识编码
    China National Standards
    civil

    English PDF
    GB/T 43504-2023 Flight performance flight test requirements for large and medium-sized civilian fixed-wing UAVs {译}
    民用大中型固定翼无人机飞行性能飞行试验要求
    China National Standards
    civil

    English PDF
    GB/Z 43475-2023 Guidelines for the Construction of Regional Ecological civilization {译}
    区域生态文明建设指南
    China National Standards
    civil

    English PDF
    GB/T 7256.5-2023 civil airport navigation aids Part 5: Aviation beacons {译}
    民用机场助航灯具 第5部分:航空灯标
    China National Standards
    civil

    English PDF
    GB/T 7256.4-2023 civil airport navigation aids Part 4: Wind vane {译}
    民用机场助航灯具 第4部分:风向标
    China National Standards
    civil

    English PDF
    GB/T 7256.3-2023 civil airport navigation aids Part 3: Precision approach path indicators {译}
    民用机场助航灯具 第3部分:精密进近航道指示器
    China National Standards
    civil

    English PDF
    GB/T 7256.2-2023 civil airport navigation aids Part 2: Sequential flashing lights and runway threshold identification lights {译}
    民用机场助航灯具 第2部分:顺序闪光灯和跑道入口识别灯
    China National Standards
    civil

    English PDF
    GB/T 43377-2023 Gaseous oxygen for breathing on civil aircraft {译}
    民用飞机呼吸用气态氧
    China National Standards
    civil

    English PDF
    GB/T 43370-2023 Technical Specifications for Geofencing Data for civilian UAVs {译}
    民用无人机地理围栏数据技术规范
    China National Standards
    civil

    English PDF
    GB/T 43369-2023 Interface requirements for optoelectronic mission load equipment for large and medium-sized civilian UAVs {译}
    民用大中型无人机光电任务载荷设备接口要求
    China National Standards
    civil

    English PDF
    GB/T 43367-2023 General requirements for civil large and medium-sized unmanned helicopter systems {译}
    民用大中型无人直升机系统通用要求
    China National Standards
    civil

    English PDF
    GB/T 42862-2023 General requirements for flight control systems of large and medium-sized civilian unmanned helicopters {译}
    民用大中型无人直升机飞行控制系统通用要求
    China National Standards
    civil

    English PDF
    GB/T 42856-2023 Flight performance flight test requirements for large and medium-sized civil unmanned helicopter systems {译}
    民用大中型无人直升机系统飞行性能飞行试验要求
    China National Standards
    civil

    English PDF
    GB/T 42854-2023 General technical specifications for civil aircraft customer training flight simulators {译}
    民用飞机客户培训飞行模拟机通用技术规范
    China National Standards
    civil

    English PDF
    GB/T 42853-2023 Technical data specifications for civil aircraft flight operations {译}
    民用飞机飞行运行技术数据规范
    China National Standards
    civil

    English PDF
    GB/T 42852-2023 civil aircraft maintenance technical data specifications {译}
    民用飞机维修技术数据规范
    China National Standards
    civil

    English PDF
    GB 42590-2023 Safety requirements for civil unmanned aircraft systems {译}
    民用无人驾驶航空器系统安全要求
    China National Standards
    civil

    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
    civil

    English PDF
    GB/T 7256.1-2022 Navigational aids for civil airports - Part 1: General requirements {译}
    民用机场助航灯具 第1部分:一般要求
    China National Standards
    civil

    English PDF
    GB/T 41300-2022 civil UAV Unique Product Identification Code {译}
    民用无人机唯一产品识别码
    China National Standards
    civil

    English PDF
    GB/T 42099-2022 PMMEL Item Analysis Methodology for civil Aircraft {译}
    民用飞机主最低设备清单建议书(PMMEL)项目分析方法
    China National Standards
    civil

    English PDF
    GB/T 42032-2022 Design Requirements for civil Aircraft Loading Manifest {译}
    民用飞机装载舱单设计要求
    China National Standards
    civil

    English PDF
    GB/T 40412-2021 Military and civilian common resource—Data carrier identification requirements
    军民通用资源 数据载体标识要求
    China National Standards
    civil

    English PDF
    GB/T 26745-2021 Basalt fiber composites for civil engineering structures
    土木工程结构用玄武岩纤维复合材料
    China National Standards
    civil

    English PDF
    GB/Z 17624.3-2021 Electromagnetic compatibility - General - Part 3: The effects of high-altitude EMP(HEMP) on civil equipment and systems
    电磁兼容 综述 第3部分:高空电磁脉冲(HEMP)对民用设备和系统的效应
    China National Standards
    civil

    English PDF
    GB/T 40781-2021 General resource of military and civilian—Reference model of heterogeneous systems interconnection
    军民通用资源 异构系统互连参考模型
    China National Standards
    civil

    English PDF
    GB/T 40782-2021 General resource of military and civilian—Identification application guideline
    军民通用资源 标识应用指南
    China National Standards
    civil

    English PDF
    GB/T 39140.2-2020 Clamping flanges for diamond circular saw blade—Part 2:Building construction and civil engineering
    金刚石圆锯片用夹紧卡盘 第2部分:建筑施工和土木工程
    China National Standards
    civil

    English PDF
    GB/T 39169-2020 Blanks for diamond circular saw blade—Mounting and fixing bores—Building construction and civil engineering
    金刚石圆锯片基体 安装和固定孔 建筑施工和土木工程
    China National Standards
    civil

    English PDF
    GB/T 38905-2020 Type designation for civil unmanned aircraft system
    民用无人机系统型号命名
    China National Standards
    civil

    English PDF
    GB/T 38909-2020 Electromagnetic compatibility requirements and test methods for civil small and light unmanned aircraft system
    民用轻小型无人机系统电磁兼容性要求与试验方法
    China National Standards
    civil

    English PDF
    GB/T 38911-2020 General requirements for flight control systems of civil small and light unmanned helicopter
    民用轻小型无人直升机飞行控制系统通用要求
    China National Standards
    civil

    English PDF
    GB/T 38924.10-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 10: Sand and dust test
    民用轻小型无人机系统环境试验方法 第10部分: 砂尘试验
    China National Standards
    civil

    English PDF
    GB/T 38924.1-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 1: General principles
    民用轻小型无人机系统环境试验方法 第1部分: 总则
    China National Standards
    civil

    English PDF
    GB/T 38924.2-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 2: Low-temperature test
    民用轻小型无人机系统环境试验方法 第2部分: 低温试验
    China National Standards
    civil

    English PDF
    GB/T 38924.3-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 3: High-temperature test
    民用轻小型无人机系统环境试验方法 第3部分:高温试验
    China National Standards
    civil

    English PDF
    GB/T 38924.4-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 4: Temperature and altitude test
    民用轻小型无人机系统环境试验方法 第4部分:温度和高度试验
    China National Standards
    civil

    English PDF
    GB/T 38924.5-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 5: Shock test
    民用轻小型无人机系统环境试验方法 第5部分:冲击试验
    China National Standards
    civil

    English PDF
    GB/T 38924.6-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 6: Vibration test
    民用轻小型无人机系统环境试验方法 第6部分:振动试验
    China National Standards
    civil

    English PDF
    GB/T 38924.7-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 7: Humidity test
    民用轻小型无人机系统环境试验方法 第7部分:湿热试验
    China National Standards
    civil

    English PDF
    GB/T 38924.8-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 8: Salt spray test
    民用轻小型无人机系统环境试验方法 第8部分:盐雾试验
    China National Standards
    civil

    English PDF
    GB/T 38924.9-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 9: Waterproofness test
    民用轻小型无人机系统环境试验方法 第9部分:防水性试验
    China National Standards
    civil

    English PDF
    GB/T 38930-2020 Requirements and test methods of the capability of wind resistance for civil small and light unmanned aircraft system
    民用轻小型无人机系统抗风性要求及试验方法
    China National Standards
    civil

    English PDF
    GB/T 38931-2020 General requirements for safety of civil small and light unmanned aircraft system
    民用轻小型无人机系统安全性通用要求
    China National Standards
    civil

    English PDF
    GB/T 38967-2020 Categories of typical structural elements for civil aircraft sheet metal parts
    民用飞机钣金件典型结构要素分类
    China National Standards
    civil

    English PDF
    GB/T 38991-2020 General resource of military and civilian—General requirements for technical standards on data mapping of information
    军民通用资源 信息数据对接技术标准总体要求
    China National Standards
    civil

    English PDF
    GB/T 38992-2020 General resource of military and civilian—Classification and representations of semantic relations
    军民通用资源 语义关系分类与表示
    China National Standards
    civil

    English PDF
    GB/T 38996-2020 General requirements for the flight control system of civil small and light fixed wing unmanned aircraft
    民用轻小型固定翼无人机飞行控制系统通用要求
    China National Standards
    civil

    English PDF
    GB/T 38929-2020 General requirements of mirror milling process for civil aircraft skin parts
    民用飞机蒙皮镜像铣削工艺通用要求
    China National Standards
    civil

    English PDF
    GB/T 38928-2020 Manufacturing data definition of civil aircraft composite part design model
    民用飞机复合材料设计模型制造数据定义
    China National Standards
    civil

    English PDF
    GB/T 38918-2020 civil airplane landing gear structure design and simulation
    民用飞机起落架结构设计与仿真
    China National Standards
    civil

    English PDF
    GB/T 38825-2020 Requirements of riveting connection in civil aircraft of composite parts
    民用飞机复合材料制件铆接要求
    China National Standards
    civil

    English PDF
    GB/T 38566-2020 civil-military common resources—Security conversion and anti-counterfeiting specification for information code
    军民通用资源 信息代码的安全转换与防伪技术规范
    China National Standards
    civil

    English PDF
    GB 50325-2020 Standard for indoor environmental pollution control of civil building engineering
    民用建筑工程室内环境污染控制标准
    China National Standards
    civil

    English PDF
    GB/T 39318-2020 General resource of military and civilian─Requirement for identification number mapping
    军民通用资源 标识代码映射要求
    China National Standards
    civil

    English PDF
    GB/T 39317-2020 General resource of military and civilian─Requirement for data element mapping
    军民通用资源 数据元映射要求
    China National Standards
    civil

    English PDF
    GB/T 39316.6-2020 General resource of military and civilian—Meta Data—Part 6: Facilities
    军民通用资源 元数据 第6部分:设施类
    China National Standards
    civil

    English PDF
    GB/T 39316.5-2020 General resource of military and civilian—Meta Data—Part 5:Personnel
    军民通用资源 元数据 第5部分:人员类
    China National Standards
    civil

    English PDF
    GB/T 39316.3-2020 General resource of military and civilian—Meta data—Part 3: Equipment—Aviation repair parts
    军民通用资源 元数据 第3部分:器材类 航材
    China National Standards
    civil

    English PDF
    GB/T 39316.2-2020 General resource of military and civilian—Meta data—Part 2 : Device—Civil transport ship
    军民通用资源 元数据 第2部分:设备类 民用运输船舶
    China National Standards
    civil

    English PDF
    GB/T 39316.1-2020 General resource of military and civilian—Meta data—Part 1: Supplies—Petroleum products
    军民通用资源 元数据 第1部分:物资类 油品
    China National Standards
    civil

    English PDF
    GB/T 39315.6-2020 General resource of military and civilian—Data Model—Part 6: Facilities
    军民通用资源 数据模型 第6部分:设施类
    China National Standards
    civil

    English PDF
    GB/T 39315.5-2020 General resource of military and civilian—Data model—Part 5: Person
    军民通用资源 数据模型 第5部分:人员类
    China National Standards
    civil

    English PDF
    GB/T 39315.3-2020 General resource of military and civilian—Data model—Part 3:Equipment—Aviation repair parts
    军民通用资源 数据模型 第3部分:器材类 航材
    China National Standards
    civil

    English PDF
    GB/T 39315.2-2020 General resource of military and civilian—Data model—Part 2:Device—Civil transport ship
    军民通用资源 数据模型 第2部分:设备类 民用运输船舶
    China National Standards
    civil

    English PDF
    GB/T 39315.1-2020 General resource of military and civilian—Data model—Part 1:Supplies—Petroleum products
    军民通用资源 数据模型 第1部分:物资类 油品
    China National Standards
    civil

    English PDF
    GB/T 38003.6-2020 General resource of military and civilian—Classification and coding—Part 6:Facilities
    军民通用资源 分类与编码 第6部分:设施类
    China National Standards
    civil

    English PDF
    GB/T 38003.5-2020 General resource of military and civilian—Classification and coding—Part 5:Person
    军民通用资源 分类与编码 第5部分:人员类
    China National Standards
    civil

    English PDF
    GB/T 38003.2-2020 General resource of military and civilian—Classification and coding—Part 2:Device—Civil transport ship
    军民通用资源 分类与编码 第2部分:设备类 民用运输船舶
    China National Standards
    civil

    English PDF
    GB 51348-2019 Standard for electrical design of civil buildings
    民用建筑电气设计标准
    China National Standards
    civil

    English PDF
    GB50352-2019 Uniform standard for design of civil buildings
    民用建筑设计统一标准
    China National Standards
    civil

    English PDF
    GB/T 38003.3-2019 General resource of military and civilian—Classification and coding—Part 3:Equipment—Aviation repair parts
    军民通用资源 分类与编码 第3部分:器材类 航材
    China National Standards
    civil

    English PDF
    GB/T 38003.1-2019 General resource of military and civilian—Classification and coding—Part 1:Supplies—Petroleum products
    军民通用资源 分类与编码 第1部分:物资类 油品
    China National Standards
    civil

    English PDF
    GB/T 37948-2019 General resource of military and civilian—Compiling requirements for data element
    军民通用资源 数据元编制要求
    China National Standards
    civil

    English PDF
    GB/T 37944-2019 General resource of military and civilian—Compiling requirements for data model
    军民通用资源 数据模型编制要求
    China National Standards
    civil

    English PDF
    GB/T 37936-2019 General resource of military and civilian—Compiling requirements for classification and code of information
    军民通用资源 信息分类与编码编制要求
    China National Standards
    civil

    English PDF
    GB 18040-2019 Requirements of emergency medical service facilities and equipments for civil transport airport
    民用运输机场应急救护设施设备配备
    China National Standards
    civil

    English PDF
    GB 50089-2018 civil explosives engineering design safety standards
    民用爆炸物品工程设计安全标准
    China National Standards
    civil

    English PDF
    GB 50364-2018 Technical standards for application of solar water heating systems for civil buildings
    民用建筑太阳能热水系统应用技术标准
    China National Standards
    civil

    English PDF
    GB/T 36155-2018 External public information marking of civil aircraft
    民用飞机外部公共信息标识
    China National Standards
    civil

    English PDF
    GB/T 36154-2018 Cabin public information marking of civil aircraft
    民用飞机客舱公共信息标识
    China National Standards
    civil

    English PDF
    GB/T 34909-2018 Evaluation standard of material-saving for civil building
    民用建筑节约材料评价标准
    China National Standards
    civil

    English PDF
    GB/T 35018-2018 Classification and grading for civil unmanned aircraft system
    民用无人驾驶航空器系统分类及分级
    China National Standards
    civil

    English PDF
    GB/T 36262-2018 Fiber reinforced polymer composite grids for civil engineering
    结构工程用纤维增强复合材料网格
    China National Standards
    civil

    English PDF
    GB/T 36158-2018 Emergency information marking of civil aircraft
    民用飞机应急信息标识
    China National Standards
    civil

    English PDF
    GB/T 36157-2018 Cargo compartment public information marking of civil aircraft
    民用飞机货舱公共信息标识
    China National Standards
    civil

    English PDF
    GB 16154-2018 General technical specification for civil water heating coal stove
    民用水暖煤炉通用技术条件
    China National Standards
    civil

    English PDF
    GB/T 16155-2018 Test method for performance of civil water heating coal stove
    民用水暖煤炉性能试验方法
    China National Standards
    civil

    English PDF
    GB/T 35794-2018 Safety design for oxygen system of civil aircraft
    民用飞机氧气系统安全性设计
    China National Standards
    civil

    English PDF
    GB/T 34913-2017 Classification and presentation of civil building energy use
    民用建筑能耗分类及表示方法
    China National Standards
    civil

    English PDF
    GB 34170-2017 Commercial coal quality—civil briquette
    商品煤质量 民用型煤
    China National Standards
    civil

    English PDF
    GB 34169-2017 Commercial coal quality—civil bulk coal
    商品煤质量 民用散煤
    China National Standards
    civil

    English PDF
    GB 50176-2016 Code for thermal design of civil building
    民用建筑热工设计规范
    China National Standards
    civil

    English PDF
    GB/T 32504-2016 civil lead-acid battery technical code for safety
    民用铅酸蓄电池安全技术规范
    China National Standards
    civil

    English PDF
    GB 50292-2015 Standard for appraisal of reliability of civil buildings
    民用建筑可靠性鉴定标准
    China National Standards
    civil

    English PDF
    GB/T 32151.6-2015 Requirements of the greenhouse gas emissions accounting and reporting —Part 6: civil aviation enterprises
    温室气体排放核算与报告要求 第6部分:民用航空企业
    China National Standards
    civil

    English PDF
    GB/T 7256-2015 General requirements of lighting fixtures for civil airport
    民用机场灯具一般要求
    China National Standards
    civil

    English PDF
    GB 29550-2013 General safety technique conditions for gas in civil building
    民用建筑燃气安全技术条件
    China National Standards
    civil

    English PDF
    GB/T 17216-2012 Hygienic requirements for peacetime utilization of civil air defence works
    人防工程平时使用环境卫生要求
    China National Standards
    civil

    English PDF
    GB 50787-2012 Technical code for solar air conditioning system of civil buildings
    民用建筑太阳能空调工程技术规范
    China National Standards
    civil

    English PDF
    GB/T 50785-2012 Evaluation standard for indoor thermal environment in civil buildings
    民用建筑室内热湿环境评价标准
    China National Standards
    civil

    English PDF
    GB 28263-2012 Regulations of safety management for the manufacturing and marketing enterprise of civil explosives materials
    民用爆炸物品生产、销售企业安全管理规程
    China National Standards
    civil

    English PDF
    GB 50736-2012 Design code for heating ventilation and air conditioning of civil buildings
    民用建筑供暖通风与空气调节设计规范
    China National Standards
    civil

    English PDF
    GB 50198-2011 Technical code for project of civil closed circuit monitoring television system
    民用闭路监视电视系统工程技术规范
    China National Standards
    civil

    English PDF
    GB/T 26743-2011 Fiber reinforced composite bars for civil engineering
    结构工程用纤维增强复合材料筋
    China National Standards
    civil

    English PDF
    GB 26569-2011 civil coalbed methane (coal mine gas)
    民用煤层气(煤矿瓦斯)
    China National Standards
    civil

    English PDF
    GB/T 50604-2010 Evaluation standard for solar water heating system of civil buildings
    民用建筑太阳能热水系统评价标准
    China National Standards
    civil

    English PDF
    GB 50325-2010 Code for indoor environmental pollution control of civil building engineering
    民用建筑工程室内环境污染控制规范(2013年版)
    China National Standards
    civil

    English PDF
    GB 50118-2010 Code for design of sound insulation of civil buildings
    民用建筑隔声设计规范
    China National Standards
    civil

    English PDF
    GB 50555-2010 Standard for water saving design in civil building
    民用建筑节水设计标准
    China National Standards
    civil

    English PDF
    GB 24462-2009 General safety requirements for civilian used primary battery
    民用原电池安全通用要求
    China National Standards
    civil

    English PDF
    GB/T 50504-2009 Standard for terminology of civil architectural design
    民用建筑设计术语标准
    China National Standards
    civil

    English PDF
    GB/T 16457.2-2009 Blanks for superabrasive cutting-off wheels - Dimensions - Part 2:Hand-held cutting-off in building and civil engineering
    超硬材料锯片基体尺寸 第2部分:用于建筑物和土木工程材料的手持切割
    China National Standards
    civil

    English PDF
    GB/T 16457.1-2009 Blanks for superabrasive cutting-off wheels - Dimensions - Part 1:Manually guided cutting-off in building and civil engineering
    超硬材料锯片基体尺寸 第1部分:用于建筑物和土木工程材料的机械切割
    China National Standards
    civil

    English PDF
    GB/T 23148-2008 civil ornamental mirror
    民用装饰镜
    China National Standards
    civil

    English PDF
    GB/T 15566.2-2007 Guidance system for public information - Setting principles and requirements - Part 2: civil airport
    公共信息导向系统 设置原则与要求 第2部分:民用机场
    China National Standards
    civil

    English PDF
    GB 50364-2005 Technical code for solar water heating system of civil buildings
    民用建筑太阳能热水系统应用技术规范
    China National Standards
    civil

    English PDF
    GB/T 10047.1-2005 Camera Part 1:civil miniature camera
    照相机 第1部分:民用小型照相机
    China National Standards
    civil

    English PDF
    GB 16155-2005 Test method for heating performance of civil water heating coal stove
    民用水暖煤炉热性能试验方法
    China National Standards
    civil

    English PDF
    GB 16154-2005 General technical specification of civil water heating coal stove
    民用水暖煤炉通用技术条件
    China National Standards
    civil

    English PDF
    GB 50352-2005 Code for design of civil buildings
    民用建筑设计通则
    China National Standards
    civil

    English PDF
    GB 19455-2004 Safety code for inspection of hazardous properties for dangerous of civil explosives
    民用爆炸品危险货物危险特性检验安全规范
    China National Standards
    civil

    English PDF
    GB/T 18764-2002 civil aviation terminology of passenger transportation
    民用航空旅客运输术语
    China National Standards
    civil

    English PDF
    GB 18450-2001 Black powder forcivil use
    民用黑火药
    China National Standards
    civil

    English PDF
    GB 18432-2001 Classification for ground accidents of civil aviation
    民用航空地面事故等级
    China National Standards
    civil

    English PDF
    GB/T 18041-2000 civil aviation cargo transpotation terminology
    民用航空货物运输术语
    China National Standards
    civil

    English PDF
    GB/T 16300-1996 Information classification and codes of civilaviation
    民用航空业信息分类与代码
    China National Standards
    civil

    English PDF
    GB/T 14658-1993 civil firearm terminology
    民用枪械术语
    China National Standards
    civil

    English PDF
    GB/T 14657-1993 civil cartridge terminology
    民用枪弹术语
    China National Standards
    civil

    English PDF
    GB 50178-1993 Standard for climatic regionalization for building and civil engineering
    建筑气候区划标准
    China National Standards
    civil

    English PDF
    GB/T 13593-1992 civil honeycomb briquet
    民用蜂窝煤
    China National Standards
    civil

    English PDF

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