China National Standards

China grades GB Standards List


  •  China "grades" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB-20052-2024 Energy efficiency limit values ​​and energy efficiency grades for power transformers {译}
    电力变压器能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB-19577-2024 Energy efficiency limit values ​​and energy efficiency grades for heat pumps and chillers {译}
    热泵和冷水机组能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB-44015-2024 Energy efficiency limits and energy efficiency grades for cold storage (boxes) and compression condensing units {译}
    冷库(箱)和压缩冷凝机组能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB/T 18247.5-2024 grades of major flower products - Part 5: Flower seedlings {译}
    主要花卉产品等级-第5部分:花卉种苗
    China National Standards
    grades

    English PDF
    GB/T 18247.2-2024 grades of major flower products - Part 2: Potted flowers {译}
    主要花卉产品等级-第2部分:盆花
    China National Standards
    grades

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    GB/T 920-2023 Highway Pavement grades and Surface Type Codes {译}
    公路路面等级与面层类型代码
    China National Standards
    grades

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    GB 21518-2022 AC Contactor Energy Efficiency Allowable Values and Energy Efficiency grades {译}
    交流接触器能效限定值及能效等级
    China National Standards
    grades

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    GB 17896-2022 Allowable values of energy efficiency and energy efficiency grades for ballasts used in gas discharge lamps for general lighting {译}
    普通照明用气体放电灯用镇流器能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 32030-2022 Allowable values of energy efficiency and energy efficiency grades for submersible electric pumps {译}
    潜水电泵能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 19044-2022 Allowable values of energy efficiency and energy efficiency grades of fluorescent lamps for general lighting {译}
    普通照明用荧光灯能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB/T 40326-2021 Energy efficiency grades for laboratory equipment—Drug stability test chambers
    实验室设备能效等级 药品稳定性试验箱
    China National Standards
    grades

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    GB/T 40242-2021 Meteorological grades for power consuming
    用电需求气象条件等级
    China National Standards
    grades

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    GB/T 40239-2021 Meteorological grades for urban snow hazard
    城市雪灾气象等级
    China National Standards
    grades

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    GB/T 39959-2021 Liquid pumps and pump units -- Noise test code -- grades 2 and 3 of accuracy
    液体泵和泵机组 噪声试验方法 2级和3级
    China National Standards
    grades

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    GB 34914-2021 Minimum allowable value of water efficiency and water efficiency grades for water purifier
    净水机水效限定值及水效等级
    China National Standards
    grades

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    GB/T 21072-2021 grades for general warehouse
    通用仓库等级
    China National Standards
    grades

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    GB/T 27744-2021 Specification and energy efficiency grades for line-start permanent magnet synchronous motors(frame size 80~355)
    异步起动永磁同步电动机技术条件及能效分级(机座号80~355)
    China National Standards
    grades

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    GB/T 20452-2021 Quality grades of apricot kernels
    仁用杏杏仁质量等级
    China National Standards
    grades

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    GB/T 40743-2021 Quality grades of kiwifruit
    猕猴桃质量等级
    China National Standards
    grades

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    GB 12021.9-2021 Minimum allowable values of energy efficiency and energy efficiency grades for electric fans
    电风扇能效限定值及能效等级
    China National Standards
    grades

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    GB 40879-2021 Maximum allowable values of energy efficiency and energy efficiency grades for data centers
    数据中心能效限定值及能效等级
    China National Standards
    grades

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    GB 40876-2021 Minimum allowable values of energy efficiency and energy efficiency grades for commercial induction cookers
    商用电磁灶能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 21454-2021 Minimum allowable values of the energy efficiency and energy efficiency grades for multi-connected air-condition (heat pump) units
    多联式空调(热泵)机组能效限定值及能效等级
    China National Standards
    grades

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    GB 24850-2020 Minimum allowable values of energy efficiency and energy efficiency grades for flat panel televisions and set-top boxes
    平板电视与机顶盒能效限定值及能效等级
    China National Standards
    grades

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    GB 39177-2020 Minimum allowable values of energy efficiency and energy efficiency grades for electric pressure cookers
    电压力锅能效限定值及能效等级
    China National Standards
    grades

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    GB/T 21983-2020 Warm winter grades
    暖冬等级
    China National Standards
    grades

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    GB/T 38950-2020 Cooling summer grades
    凉夏等级
    China National Standards
    grades

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    GB 24500-2020 Minimum allowable values of energy efficiency and energy efficiency grades of industrial boilers
    工业锅炉能效限定值及能效等级
    China National Standards
    grades

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    GB 20052-2020 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
    电力变压器能效限定值及能效等级
    China National Standards
    grades

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    GB 19761-2020 Minimum allowable values of energy efficiency and energy efficiency grades for fan
    通风机能效限定值及能效等级
    China National Standards
    grades

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    GB 18613-2020 Minimum allowable values of energy efficiency and values of efficiency grades for motors
    电动机能效限定值及能效等级
    China National Standards
    grades

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    GB/T 38697-2020 grades and specifications of fresh truffles
    块菌(松露)鲜品质量等级规格
    China National Standards
    grades

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    GB/T 39648-2020 Textiles—Tests for colour fastness—Determination of colour fastness grades by digital imaging techniques
    纺织品 色牢度试验 数字图像技术评级
    China National Standards
    grades

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    GB/T 39419-2020 grades of tsunami
    海啸等级
    China National Standards
    grades

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    GB/T 39418-2020 grades of storm surge
    风暴潮等级
    China National Standards
    grades

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    GB 21455-2019 Minimum allowable values of the energy efficiency and energy efficiency grades for room air conditioners
    房间空气调节器能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 38450-2019 Minimum allowable values of energy efficiency and energy efficiency grades of LED flat panel luminaires
    普通照明用LED平板灯能效限定值及能效等级
    China National Standards
    grades

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    GB 38448-2019 Minimum allowable values and grades of the energy efficiency and water efficiency for smart water closets
    智能坐便器能效水效限定值及等级
    China National Standards
    grades

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    GB 30717-2019 Minimum allowable values of water efficiency and water efficiency grades for squatting pans
    蹲便器水效限定值及水效等级
    China National Standards
    grades

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    GB 28736-2019 Minimum allowable values of energy efficiency and energy efficiency grades for welding machines
    电焊机能效限定值及能效等级
    China National Standards
    grades

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    GB 28378-2019 Minimum allowable values of water efficiency and water efficiency grades for showers
    淋浴器水效限定值及水效等级
    China National Standards
    grades

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    GB 28377-2019 Minimum allowable values of water efficiency and water efficiency grades for urinals
    小便器水效限定值及水效等级
    China National Standards
    grades

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    GB 25501-2019 Minimum allowable values of water efficiency and water efficiency grades for faucets
    水嘴水效限定值及水效等级
    China National Standards
    grades

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    GB 38383-2019 The minimum allowable values of the energy,water consumption and grades for dishwashers
    洗碗机能效水效限定值及等级
    China National Standards
    grades

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    GB 26920.3-2019 Minimum allowable values of energy efficiency and energy efficiency grades for commercial refrigerating appliances—Part 3: Refrigerated beverage vending machines
    商用制冷器具能效限定值和能效等级 第3部分:制冷自动售货机
    China National Standards
    grades

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    GB 19153-2019 Minimum allowable values of energy efficiency and energy efficiency grades for displacement air compressors
    容积式空气压缩机能效限定值及能效等级
    China National Standards
    grades

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    GB 37485-2019 Minimum allowable values of energy efficiency and energy efficiency grades for submersible mixers of wastewater
    污水处理用潜水推流式搅拌机能效限定值及能效等级
    China National Standards
    grades

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    GB 37484-2019 Minimum allowable values of energy efficiency and energy efficiency grades for precipitator
    除尘器能效限定值及能效等级
    China National Standards
    grades

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    GB 37483-2019 Minimum allowable values of energy efficiency and energy efficiency grades for rotary aerator in wastewater treatment
    污水处理用旋转曝气机能效限定值及能效等级
    China National Standards
    grades

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    GB 37480-2019 Minimum allowable values of energy efficiency and energy efficiency grades for low ambient temperature air source heat pumps(water chiller) packages
    低环境温度空气源热泵(冷水)机组能效限定值及能效等级
    China National Standards
    grades

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    GB 37479-2019 Minimum allowable values of energy efficiency and energy efficiency grades for ducted air conditioners
    风管送风式空调机组能效限定值及能效等级
    China National Standards
    grades

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    GB 37478-2019 Minimum allowable values of energy efficiency and energy efficiency grades of LED luminaires for road and tunnel lighting
    道路和隧道照明用LED灯具能效限定值及能效等级
    China National Standards
    grades

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    GB 30255-2019 Minimum allowable values of energy efficiency and energy efficiency grades of LED products for indoor lighting
    室内照明用LED产品能效限定值及能效等级
    China National Standards
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    GB 19576-2019 Minimum allowable values of energy efficiency and energy efficiency grades for unitary air conditioners
    单元式空气调节机能效限定值及能效等级
    China National Standards
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    GB/T 37744-2019 Meteorological grades of hot damage to rice
    水稻热害气象等级
    China National Standards
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    GB/T 3216-2016/XG1-2018 Rotodynamic pumps—Hydraulic performance acceptance tests—grades 1,2 and 3
    《回转动力泵-水力性能验收试验-1级、2级和3级》国家标准第1号修改单
    China National Standards
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    GB 36893-2018 Minimum allowable values of the energy efficiency and energy efficiency grades for air cleaners
    空气净化器能效限定值及能效等级
    China National Standards
    grades

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    GB 35971-2018 Minimum allowable values of the energy efficiency and energy efficiency grades for hermetic motor-compressor in room air conditioners
    空气调节器用全封闭型电动机-压缩机能效限定值及能效等级
    China National Standards
    grades

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    GB 34914-2017 Minimum allowable value of water efficiency and water efficiency grades for reverse osmosis drinking water treatment purifiers
    反渗透净水机水效限定值及水效等级
    China National Standards
    grades

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    GB/T 34811-2017 Meteorological grades of water-saving irrigation—Wheat
    作物节水灌溉气象等级 小麦
    China National Standards
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    GB/T 34747-2017 grades and specifications of dried sea cucumber
    干海参等级规格
    China National Standards
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    GB/T 34813-2017 Meteorological grades of water-saving irrigation—Soybean
    作物节水灌溉气象等级 大豆
    China National Standards
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    GB/T 34810-2017 Meteorological grades of water-saving irrigation—Maize
    作物节水灌溉气象等级 玉米
    China National Standards
    grades

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    GB/T 34812-2017 Meteorological grades of water-saving irrigation—Cotton
    作物节水灌溉气象等级 棉花
    China National Standards
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    GB/T 34295-2017 Meteorological condition grades of non-professional carbon monoxide poisoning
    非职业性一氧化碳中毒气象条件等级
    China National Standards
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    GB/T 34307-2017 grades of dry/wet climate
    干湿气候等级
    China National Standards
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    GB/T 20481-2017 grades of meteorological drought
    气象干旱等级
    China National Standards
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    GB 24849-2017 Minimum allowable values of energy efficiency and energy efficiency grades for household and similar microwave ovens
    家用和类似用途微波炉能效限定值及能效等级
    China National Standards
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    GB 12021.6-2017 Minimum allowable values of energy efficiency and energy efficiency grades for electric rice cookers
    电饭锅能效限定值及能效等级
    China National Standards
    grades

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    GB/T 33680-2017 grades of rainstorm disaster
    暴雨灾害等级
    China National Standards
    grades

    English PDF
    GB/T 33675-2017 Cold winter grades
    冷冬等级
    China National Standards
    grades

    English PDF
    GB 25502-2017 Minimum allowable values of water efficiency and water efficiency grades for water closets
    坐便器水效限定值及水效等级
    China National Standards
    grades

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    GB/T 35476-2017 Quality grades on luohanguo
    罗汉果质量等级
    China National Standards
    grades

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    GB/T 35562-2017 grades of surface air temperature assessment
    气温评价等级
    China National Standards
    grades

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    GB/T 21987-2017 grades of cold wave
    寒潮等级
    China National Standards
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    GB/T 3216-2016 Rotodynamic pumps—Hydraulic performance acceptance tests—grades 1,2 and 3
    回转动力泵 水力性能验收试验 1级、2级和3级
    China National Standards
    grades

    English PDF
    GB 32311-2015 Minimum allowable values of energy efficiency and energy efficiency grades for hydrogen producing systems by water electrolysis
    水电解制氢系统能效限定值及能效等级
    China National Standards
    grades

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    GB 32284-2015 Minimum allowable values of energy efficiency and energy efficiency grades for petrochemical centrifugal pumps
    石油化工离心泵能效限定值及能效等级
    China National Standards
    grades

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    GB 26920.2-2015 Minimum allowable values of energy efficiency and energy efficiency grades for commercial refrigerating appliances—Part 2: Commercial refrigerated cabinets with self-contained condensing unit
    商用制冷器具能效限定值和能效等级 第2部分:自携冷凝机组商用冷柜
    China National Standards
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    GB 20054-2015 Minimum allowable values of energy efficiency and energy efficiency grades for metal-halide lamps
    金属卤化物灯能效限定值及能效等级
    China National Standards
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    GB 20053-2015 Minimum allowable values of energy efficiency and energy efficiency grades for ballasts of metal-halide lamps
    金属卤化物灯用镇流器能效限定值及能效等级
    China National Standards
    grades

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    GB 19577-2015 Minimum allowable values of energy efficiency and energy efficiency grades for water chillers
    冷水机组能效限定值及能效等级
    China National Standards
    grades

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    GB/T 18376.3-2015 grades of cemented carbide—Part 3: Grades of cemented carbide for wear parts
    硬质合金牌号 第3部分:耐磨零件用硬质合金牌号
    China National Standards
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    GB 32049-2015 Minimum allowable values of energy efficiency and energy efficiency grades for household and similar purposes A.C. electric ventilating fans
    家用和类似用途交流换气扇能效限定值及能效等级
    China National Standards
    grades

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    GB 32031-2015 Minimum allowable values of energy efficiency and energy efficiency grades for waste submersible motor-pumps
    污水污物潜水电泵能效限定值及能效等级
    China National Standards
    grades

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    GB 32030-2015 Minimum allowable values of energy efficiency and energy efficiency grades for submersible pumps for deep well
    井用潜水电泵能效限定值及能效等级
    China National Standards
    grades

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    GB 32029-2015 Minimum allowable values of energy efficiency and energy efficiency grades for small-size submersible motor-pumps
    小型潜水电泵能效限定值及能效等级
    China National Standards
    grades

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    GB 32028-2015 Minimum allowable values of energy efficiency and energy efficiency grades for projectors
    投影机能效限定值及能效等级
    China National Standards
    grades

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    GB 21520-2015 Minimum allowable values of energy efficiency and energy efficiency grades for computer monitors
    计算机显示器能效限定值及能效等级
    China National Standards
    grades

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    GB 20665-2015 Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heater and gas fired heating and hot water combi-boilers
    家用燃气快速热水器和燃气采暖热水炉能效限定值及能效等级
    China National Standards
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    GB 30978-2014 Minimum allowable values of the energy efficiency and energy efficiency grades for water dispensers
    饮水机能效限定值及能效等级
    China National Standards
    grades

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    GB 30721-2014 Minimum allowable values of the energy efficiency and energy efficiency grades for water-source(ground-source)heat pumps
    水(地)源热泵机组能效限定值及能效等级
    China National Standards
    grades

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    GB 30720-2014 Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas cooking appliances
    家用燃气灶具能效限定值及能效等级
    China National Standards
    grades

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    GB 30717-2014 Minimum allowable values of water efficiency and water efficiency grades for squatting pans
    蹲便器用水效率限定值及用水效率等级
    China National Standards
    grades

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    GB/T 18376.2-2014 grades of cemented carbide―Part 2: Grades of cemented carbide for geological and mining tools
    硬质合金牌号 第2部分:地质、矿山工具用硬质合金牌号
    China National Standards
    grades

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    GB 30531-2014 Minimum allowable values of energy efficiency and energy efficiency grades for commercial gas cooking appliances
    商用燃气灶具能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 21521-2014 Minimum allowable values of energy efficiency and energy efficiency grades for copy machines, printers and fax machines
    复印机、打印机和传真机能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 21456-2014 Minimum allowable values of the energy efficiency and energy efficiency grades for household induction cookers
    家用电磁灶能效限定值及能效等级
    China National Standards
    grades

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    GB/T 30508-2014 Ships and marine technology―Hydraulic oil systems―Guidance for grades of cleanliness and flushing
    船舶和海上技术 液压油系统 清洁度等级和冲洗导则
    China National Standards
    grades

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    GB/T 30506-2014 Ships and marine technology―Lubricating oil systems―Guidance for grades of cleanliness and flushing
    船舶和海上技术 润滑油系统 清洁度等级和冲洗导则
    China National Standards
    grades

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    GB 30255-2013 Minimum allowable values of energy efficiency and energy efficiency grades of non-directional self-ballasted LED-lamps for general lighting services
    普通照明用非定向自镇流LED灯能效限定值及能效等级
    China National Standards
    grades

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    GB 30254-2013 Minimum allowable values of energy efficiency and the energy efficiency grades for cage three-phase high voltage induction motor
    高压三相笼型异步电动机能效限定值及能效等级
    China National Standards
    grades

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    GB 30253-2013 Minimum allowable values of energy efficiency and energy efficiency grades for permanent magnet synchronous motors
    永磁同步电动机能效限定值及能效等级
    China National Standards
    grades

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    GB/T 29728-2013 Energy consumption grades of furnace for CGL
    热浸镀锌钢带生产线加热炉能耗分级
    China National Standards
    grades

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    GB/T 29727-2013 Energy consumption grades of incinerator and curing furnace for CCL
    彩色涂层钢带生产线焚烧炉和固化炉能耗分级
    China National Standards
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    GB/T 8923.4-2013 Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 4: Initial surface conditions 、preparation grades and flash rust grades in connection with high-pressure water jetting
    涂覆涂料前钢材表面处理 表面清洁度的目视评定 第4部分:与高压水喷射处理有关的初始表面状态、处理等级和闪锈等级
    China National Standards
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    GB 29541-2013 The minimum allowable values of the energy efficiency and energy efficiency grades for heat pump water heaters
    热泵热水机(器)能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 29540-2013 Minimm allowable values of the energy efficiency and energy efficiency grades for lithium bromide absorption chillers
    溴化锂吸收式冷水机组能效限定值及能效等级
    China National Standards
    grades

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    GB 29539-2013 The minimum allowable values of energy efficiency and energy efficiency grades for range hoods
    吸油烟机能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 24850-2013 Minimum allowable values of energy efficiency and energy efficiency grades for flat panel televisions
    平板电视能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 21455-2013 The minimum allowable values of the energy efficiency and energy efficiency grades for variable speed room air conditioners
    转速可控型房间空气调节器能效限定值及能效等级
    China National Standards
    grades

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    GB 20052-2013 Minimum allowable values of energy efficiency and energy efficiency grades for three-phase distribution transformers
    三相配电变压器能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 19044-2013 Minimum allowable values of energy efficiency and the energy efficiency grades of self-ballasted fluorescent lamps for general lighting service
    普通照明用自镇流荧光灯能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 19043-2013 Minimum allowable values of energy efficiency and the energy efficiency grades of double-capped fluorescent lamps for general lighting service
    普通照明用双端荧光灯能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 12021.4-2013 The maximum allowable values of the energy,water consumption and grades for household electric washing machines
    电动洗衣机能效水效限定值及等级
    China National Standards
    grades

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    GB 29144-2012 Minimum allowable values of energy efficiency and the energy efficiency grades for self-ballasted electrodeless fluorescent lamps with general lighting service
    普通照明用自镇流无极荧光灯能效限定值及能效等级
    China National Standards
    grades

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    GB 29143-2012 Minimum allowable values of energy efficiency and energy efficiency grades of ballasts for electrodeless fluorescent lamps
    单端无极荧光灯用交流电子镇流器能效限定值及能效等级
    China National Standards
    grades

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    GB 29142-2012 Minimum allowable values of energy efficiency and energy efficiency grades for single-capped electrodeless fluorescent lamps
    单端无极荧光灯能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 28736-2012 Minimum allowable values of energy efficiency and energy efficiency grades for arc welding machines
    电弧焊机能效限定值及能效等级
    China National Standards
    grades

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    GB 28379-2012 Minimum allowable values of water efficiency and water efficiency grades for flush valve for water closets
    便器冲洗阀用水效率限定值及用水效率等级
    China National Standards
    grades

    English PDF
    GB 28378-2012 Minimum allowable values of water efficiency and water efficiency grades for showers
    淋浴器用水效率限定值及用水效率等级
    China National Standards
    grades

    English PDF
    GB 28377-2012 Minimum allowable values of water efficiency and water efficiency grades for urinals
    小便器用水效率限定值及用水效率等级
    China National Standards
    grades

    English PDF
    GB/T 28386-2012 Noise measurement methods for printing, paper converting, paper making machines and auxiliary equipment - Accuracy grades 2 and 3
    印刷、纸加工、造纸机械和辅助设备的噪声测量方法 准确度等级2和3
    China National Standards
    grades

    English PDF
    GB 28380-2012 Minimum allowable values of energy efficiency and energy grades for microcomputers
    微型计算机能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 18613-2012 Minimum allowable values of energy efficiency and energy efficiency grades for small and medium three-phase asynchronous motors
    中小型三相异步电动机能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 17896-2012 Minimum allowable values of the energy efficiency and the energy efficiency grades of ballasts for tubular fluorescent lamps
    管形荧光灯镇流器能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previou
    涂覆涂料前钢材表面处理 表面清洁度的目视评定 第1部分:未涂覆过的钢材表面和全面清除原有涂层后的钢材表面的锈蚀等级和处理等级
    China National Standards
    grades

    English PDF
    GB 26969-2011 Minimum allowable values of energy efficiency and energy efficiency grades for domestic solar water heating systems
    家用太阳能热水系统能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 26920.1-2011 The maximum allowable values of energy performance and energy efficiency grades of commercial refrigerating appliances - Part 1:Refrigerated display cabinets with remote condensing unit
    商用制冷器具能效限定值及能效等级 第1部分:远置冷凝机组冷藏陈列柜
    China National Standards
    grades

    English PDF
    GB/T 26906-2011 grades of cherries
    樱桃质量等级
    China National Standards
    grades

    English PDF
    GB 25957-2010 Minimum allowable values of energy efficiency and energy efficiency grades for digital television adapters (set-top boxes)
    数字电视接收器(机顶盒)能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 25502-2010 Minimum allowable values of water efficiency and water efficiency grades for water closets
    坐便器用水效率限定值及用水效率等级
    China National Standards
    grades

    English PDF
    GB 25501-2010 Minimum allowable values of water efficiency and water efficiency grades for faucets
    水嘴用水效率限定值及用水效率等级
    China National Standards
    grades

    English PDF
    GB 24849-2010 Minimum allowable values of energy efficiency and energy efficiency grades for household and similar microwave ovens
    家用和类似用途微波炉能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 24848-2010 Minimum allowable values of energy efficiency and energy efficiency grades for heater of petroleum industry
    石油工业用加热炉能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 12021.3-2010 The minimum allowable value of the energy efficiency and energy efficiency grades for room air conditioners
    房间空气调节器能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 24790-2009 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
    电力变压器能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 24500-2009 The minimum allowable values of energy efficiency and energy efficiency grades of industrial boilers
    工业锅炉能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 19761-2009 Minimum allowable values of energy efficiency and energy efficiency grades for fan
    通风机能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB/T 6865-2009 Codes for levels of language proficiency and foreign language test grades
    语种熟练程度和外语考试等级代码
    China National Standards
    grades

    English PDF
    GB/T 24307-2009 Quality grades of products for carya cathayensis sarg
    山核桃产品质量等级
    China National Standards
    grades

    English PDF
    GB/T 23616-2009 grades of apples for processing
    加工用苹果分级
    China National Standards
    grades

    English PDF
    GB 19153-2009 Minimum allowable values of energy efficiency and energy efficiency grades for displacement air compressors
    容积式空气压缩机能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB/T 16558.3-2009 The ship maintenance system - Part 3: Maintenance grades, period coding and permissible deviation for maintenance period of ship
    船舶维修保养体系 第3部分:船舶维修保养的分级、周期代码及周期允差
    China National Standards
    grades

    English PDF
    GB/T 1800.2-2009 Geometrical product specifications (GPS) - Limits and fits - Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts
    产品几何技术规范(GPS) 极限与配合 第2部分:标准公差等级和孔、轴极限偏差表
    China National Standards
    grades

    English PDF
    GB/T 8923.3-2009 Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 3: Preparation grades of welds,edges and other areas with surface imperfections
    涂覆涂料前钢材表面处理 表面清洁度的目视评定 第3部分:焊缝、边缘和其他区域的表面缺陷的处理等级
    China National Standards
    grades

    English PDF
    GB/T 23234-2009 Fruit grades of hippophae rhamnoides L.subsp.sinensis Rousi.
    中国沙棘果实质量等级
    China National Standards
    grades

    English PDF
    GB/T 22563-2008 All grades of fluorspar - Determination of moisture content of a lot
    萤石的水分测定
    China National Standards
    grades

    English PDF
    GB 12021.9-2008 Minimum allowable values of energy efficiency and energy efficiency grades of AC electric fans
    交流电风扇能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 12021.6-2008 Minimum allowable values of energy efficiency and energy efficiency grades for automatic electric rice cookers
    自动电饭锅能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB/T 22345-2008 grades of fresh chinese jujube fruit
    鲜枣质量等级
    China National Standards
    grades

    English PDF
    GB/T 18376.1-2008 grades of cemented carbide - Part 1:Grades of cemented carbide for cutting tools
    硬质合金牌号 第1部分:切削工具用硬质合金牌号
    China National Standards
    grades

    English PDF
    GB/T 21987-2008 grades of cold wave
    寒潮等级
    China National Standards
    grades

    English PDF
    GB 21520-2008 Minimum allowable values of energy efficiency and energy efficiency grades for computer monitors
    计算机显示器能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 21519-2008 Minimum allowable values of the energy efficiency and energy efficiency grades for electrical storage water heaters
    储水式电热水器能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 21518-2008 Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors
    交流接触器能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB/T 8923.2-2008 Preparation of steel substrates before application of paints and related products-Visual assessment of surface cleanliness - Part 2: Preparation grades of praviously coated steel substrates after localized removal of previous coatings
    涂覆涂料前钢材表面处理 表面清洁度的目视评定 第2部分: 已涂覆过的钢材表面局部清除原有涂层后的处理等级
    China National Standards
    grades

    English PDF
    GB 21454-2008 The minimum allowable values of the IPLV and energy efficiency grades for multi-connected air-condition(heat pump) unit
    多联式空调(热泵)机组能效限定值及能源效率等级
    China National Standards
    grades

    English PDF
    GB/T 21072-2007 grades for general warehouse
    通用仓库等级
    China National Standards
    grades

    English PDF
    GB 20665-2006 Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heater and gas fired heating and hot water combi-boilers
    家用燃气快速热水器和燃气采暖热水炉能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB/T 20652-2006 Chain slings of welded construction - grades M(4),S(6) and T(8)
    M(4)、S(6)和T(8)级焊接吊链
    China National Standards
    grades

    English PDF
    GB/T 20453-2006 Quality grades on products of persimmon
    柿子产品质量等级
    China National Standards
    grades

    English PDF
    GB/T 20397-2006 grades of seed stone quality for ginkgo
    银杏种核质量等级
    China National Standards
    grades

    English PDF
    GB 20054-2006 Minimum allowable values of energy efficiency and energy efficiency grades for metal-halide lamps
    金属卤化物灯能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB 20053-2006 The minimum allowable values of energy efficiency and the energy efficiency grades for ballast of metal-halide lamps
    金属卤化物灯用镇流器能效限定值及能效等级
    China National Standards
    grades

    English PDF
    GB/T 3216-2005 Rotodynamic pumps-Hdraulic peformance acceptance tests-grades 1 and 2
    回转动力泵 水力性能验收试验 1级和2级
    China National Standards
    grades

    English PDF
    GB 19577-2004 The minimum allowable values of the energy effic-iency and energy effic-iency grades for water chillers
    冷水机组能效限定值及能源效率等级
    China National Standards
    grades

    English PDF
    GB 19576-2004 The minimum allowable values of the energy effic-iency and energy efficiency grades for unitary air conditioners
    单元式空气调节机能效限定值及能源效率等级
    China National Standards
    grades

    English PDF
    GB/T 18376.3-2001 grades of cemented carbide--Part 3:grades of cemented carbide for wear parts
    硬质合金牌号 第3部分:耐磨零件用硬质合金牌号
    China National Standards
    grades

    English PDF
    GB/T 18230.6-2000 Hexagon nuts for structural bolting,style 1,hot-dip galvanized (oversize tapped)--Product grades A and B--Property classes 5,6 and 8
    栓接结构用1型六角螺母 热浸镀锌(加大攻丝尺寸) A和B级 5、6和8级
    China National Standards
    grades

    English PDF
    GB/T 17107-1997 Structural steel grades and mechanical property for forgings
    锻件用结构钢牌号和力学性能
    China National Standards
    grades

    English PDF
    GB/T 14529-1993 Principle for categories and grades of nature reserves
    自然保护区类型与级别划分原则
    China National Standards
    grades

    English PDF
    GB/T 9459-1988 Hexagon thin slotted nuts--Fine pitch thread--Product grades A and B
    六角开槽薄螺母 细牙 A和B级
    China National Standards
    grades

    English PDF
    GB/T 9458-1988 Hexagon slotted and castle nuts,style 2--Fine pitch thread--Product grades A and B
    2 型六角开槽螺母 细牙 A和B级
    China National Standards
    grades

    English PDF
    GB/T 9457-1988 Hexagon slotted and castle nuts,style l--Fine pitch thread--Product grades A and B
    1 型六角开槽螺母 细牙 A和B级
    China National Standards
    grades

    English PDF
    GB/T 6180-1986 Hexagon slotted and castle nuts,style 2--Product grades A and B
    2型六角开槽螺母 A和B级
    China National Standards
    grades

    English PDF

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