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未生效 YS/T 1442-2021镍钴二元素复合氧化物

未生效 EN ISO 19574-2022Footwear and footwear components - Qualitative test method to assess antifungal activity (growth test) (ISO 19574-2022)

未生效 EN 13286-41-2021Unbound and hydraulically bound mixtures - Part 41: Test method for the determination of the compressive strength of hydraulically bound mixtures

未生效 EN ISO 20675-2021Biogas - Biogas production, conditioning, upgrading and utilization - Terms, definitions and classification scheme (ISO 20675:2018)

未生效 YS/T 1484-2021羰基镍丸

未生效 HG/T 5945-2021液体C.I.直接蓝290

未生效 JJF(电子) 0060-2021半导体工艺用安时计现场校准规范

未生效 SY/T 0440-2021工业燃气轮机安装技术规范

未生效 EN IEC 62037-5-2021Passive RF and microwave devices, intermodulation level measurement - Part 5: Measurement of passive intermodulation in filters

未生效 JJG 1180-2021大型接地网工频接地阻抗测试仪检定规程

未生效 EN 746-3-2021Industrial thermoprocessing equipment - Part 3: Safety requirements for the generation and use of atmosphere gases

未生效 DL/T 5158-2021电力工程气象勘测技术规程

未生效 EN IEC 60335-2-76-2021Household and similar electrical appliances - Safety - Part 2-76: Particular requirements for electric fence energizers

未生效 YS/T 1439-2021锌及锌合金牺牲阳极

未生效 EN IEC 60704-1-2021Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 1: General requirements

未生效 NB/T 10839-2021页岩气地震地质工程一体化技术规程

未生效 NB/T 10836-2021气流床干煤粉加压气化炉煤粉烧嘴技术规范

未生效 HG/T 5921-2021碳化法工业重铬酸钠

未生效 EN 13032-3-2021Light and lighting - Measurement and presentation of photometric data of lamps and luminaires - Part 3: Presentation of data for emergency lighting of workplaces

未生效 TB 10057-2021铁路车辆运行安全监控系统设计规范

未生效 EN IEC 60794-1-403-2021Optical fibre cables - Part 1-403: Generic specification - Basic optical cable test procedures - Electrical test methods - Electrical continuity test of cable metallic elements, method H3

未生效 EN 50600-2-5-2021Information technology - Data centre facilities and infrastructures - Part 2-5: Security systems

未生效 EN IEC 63044-6-2021Home and building electronic systems (HBES) and building automation and control systems (BACS) - Part 6: Requirements for planning and installation

未生效 QB/T 1207.2-2021琵琶

未生效 NB/SH/T 6035-2021柴油导出十六烷值的测定 定容燃烧室着火滞后和燃烧滞后法

未生效 YS/T 1480-2021镍铝金属间化合物烧结多孔 材料管状过滤元件

未生效 EN ISO 22526-1-2021Plastics - Carbon and environmental footprint of biobased plastics - Part 1: General principles (ISO 22526-1:2020)

未生效 EN ISO 27789-2021Health informatics - Audit trails for electronic health records (ISO 27789:2021)

未生效 NY/T 3939.3-2021甘薯主要病害抗性鉴定技术规程 第3部分：根腐病

未生效 JJF 1928-2021放射治疗射束质量检查仪校准规范