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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 YS/T 1499-2021醋酸四氨铂

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 SY/T 7657.3-2021天然气 利用光声光谱—红外光谱—燃料电池联合法测定组成 第3部分：红外光谱法测定乙烷及以上烷烃、二氧化碳、一氧化碳含量

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 NB/T 10702-2021地热勘查重磁电资料解释技术规范

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 17290-2021Non-destructive testing - Ultrasonic testing - Examination for loss of thickness due to erosion and/or corrosion using the TOFD technique

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

未生效 EN ISO 22404-2021Plastics - Determination of the aerobic biodegradation of non-floating materials exposed to marine sediment - Method by analysis of evolved carbon dioxide (ISO 22404:2019)

未生效 DB33/ 310005-2021制药工业大气污染物排放标准

未生效 JT/T 1375.5-2022公路水运工程施工安全风险评估指南 第5部分：港口工程

未生效 EN IEC 61318-2021Live working - Methods for assessment of defects and verification of performance applicable to tools, devices and equipment