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未生效 JJF 1933-2021光学轴类测量仪校准规范

未生效 YS/T 1462.3-2021粗锡化学分析方法第3部分：铜含量的测定火焰原子吸收光谱法和碘量法

未生效 DL/T 5623-2021火力发电厂烟气循环流化床半干法脱硫系统设计规程

未生效 SY/T 6400-2021气举阀性能试验方法

未生效 SY/T 7641-2021非常规油气开采企业温室气体排放核算方法与报告指南

未生效 SY/T 7646-2021盐腔稳定性监测与评价技术要求

未生效 GB 31651-2021食品安全国家标准 餐(饮)具集中消毒卫生规范

未生效 EN 17547-2021Animal feeding stuffs: Methods of sampling and analysis - Determination of vitamin A, E and D content - Method using solid phase extraction (SPE) clean-up and high-performance liquid chromatography (HPLC)

未生效 EN 16285-2021Packaging - Flexible aluminium tubes - Test method to measure the deformation of the aluminium tube body (Guillotine test)

未生效 EN ISO 4674-2-2021Rubber- or plastics-coated fabrics - Determination of tear resistance - Part 2: Ballistic pendulum method (ISO 4674-2:2021)

未生效 SY/T 7617-2021海相页岩地质力学评价规范

未生效 QB/T 5648-2021数码工程蓝图打印纸

未生效 NB/T 47005-2021板式蒸发装置

未生效 EN IEC 61557-2-2021Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance

未生效 EN ISO 20836-2021Microbiology of the food chain - Polymerase chain reaction (PCR) for the detection of microorganisms - Thermal performance testing of thermal cyclers (ISO 20836:2021)

未生效 NB/SH/T 6027-2021润滑脂分油的测定 压力过滤法

未生效 JJF 1931-2021信号发生器校准规范

未生效 EN ISO 23977-2-2021Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020)

未生效 EN 50090-6-2-2021Home and Building Electronic Systems (HBES)- Part 6-2 IoT Semantic Ontology model description

未生效 YS/T 1438-2021海洋工程管道系统用铜镍合金焊接管

未生效 QB/T 5659-2021婴儿床

未生效 YS/T 1472.3-2021富锂锰基正极材料化学分析方法第3部分：镍含量的测定丁二酮肟重量法

未生效 JC/T 2624-2021混凝土表面缓凝剂

未生效 NB/T 10762-2021富含淀粉原料木质纤维素成分测定方法：纤维素、半纤维素和酸不溶木质素的测定

未生效 EN IEC 61076-2-010-2021Connectors for electrical and electronic equipment - Product requirements - Part 2-010: Circular connectors - Detail specification for connectors with outer or inner push-pull locking mechanism, based on mating interfaces according to IEC 61076-2-101, IEC 61076-2-109, IEC 61076-2-111 and IEC 61076-2-113

未生效 JJF 1945-2021凝血分析仪校准规范

未生效 XF/T 3017.5-2022消防业务信息数据项第5部分：消防安全重点单位与建筑物基本信息

未生效 JT/T 1386.10-2022海事电子证照 第10部分：危险化学品水路运输从业资格证书

未生效 YS/T 987-2021氯硅烷中碳含量的测定气相色谱质谱联用法

未生效 EN 15967-2022Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours