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未生效 TB/T 3252-2022电气化铁路刚性悬挂接触网汇流排及零部件

未生效 HG/T 22822-2021橡胶工厂废气收集处理设计 规范

未生效 YB/T 4931-2021连铸钢异型坯低倍组织缺陷评级图

未生效 EN 50527-2-3-2021Procedure for the assessment of the exposure to electromagnetic fields of workers bearing active implantable medical devices - Part 2-3: Specific assessment for workers with implantable neurostimulators

未生效 EN IEC 62868-2-3-2021Organic light emitting diode (OLED) light sources for general lighting - Safety - Part 2-3: Particular requirements - Flexible OLED tiles and panels

未生效 EN ISO 10591-2021Building and civil engineering sealants - Determination of adhesion/cohesion properties of sealants after immersion in water (ISO 10591:2021)

未生效 SY/T 7626-2021水基钻井液用降滤失剂 聚合物类

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 NY/T 3934-2021生态茶园建设指南

未生效 JJF(纺织) 101-2021杠杆式土工合成材料厚度仪校准规范

未生效 SY/T 6883-2021输气管道工程过滤分离设备规范

未生效 NY/T 3948-2021植物源农产品中叶黄素、玉米黄质、β-隐黄质的测定 高效液相色谱法

未生效 HB 8680-2021飞机起落架应急断离试验通用要求

未生效 SY/T 7649-2021储气库气藏管理规范

未生效 NB/T 10830-2021大型水轮发电机组主轴锻件技术条件

未生效 SY/T 7655-2021石油天然气钻采设备 海洋钻井平台的电缆集成设计和安装

未生效 NB/T 10719-2021煤炭产量监测主站

未生效 NB/T 10768-2021生物柴油储运操作规范

未生效 EN IEC 62868-1-2021Organic light emitting diode (OLED) Light sources for general lighting - Safety - Part 1: General requirements and tests

未生效 EN 3-8-2021Portable fire extinguishers - Part 8: Requirements for the construction, pressure resistance and mechanical tests for extinguishers with a maximum allowable pressure equal to or lower than 30 bar, which comply with the requirements of EN 3-7

未生效 EN ISO 12543-3-2021Glass in building - Laminated glass and laminated safety glass - Part 3: Laminated glass (ISO 12543-3:2021)

未生效 NB/T 10730-2021煤矿井下断层导水性探查与治理技术规范

未生效 EN 13848-3-2021Railway applications - Track - Track geometry quality - Part 3: Measuring systems - Track construction and maintenance machines

未生效 EN IEC 60974-8-2021Arc welding equipment - Part 8: Gas consoles for welding and plasma cutting systems

未生效 NY/T 3939.6-2021甘薯主要病害抗性鉴定技术规程 第6部分：疮痂病

未生效 NY/T 3923-2021农作物品种试验规范 粮食作物

未生效 NY/T 3950-2021植物源性食品中10种黄酮类化合物的测定 高效液相色谱-串联质谱法

未生效 EN 13434-2021Devices to prevent pollution by backflow of potable water - Mechanical disconnector, flow actuated - Family G, Type B

未生效 EN 13760-2021LPG equipment and accessories - Automotive LPG filling system for light and heavy duty vehicles - Nozzle, test requirements and dimensions

未生效 JJG 1179-2021医用诊断螺旋计算机断层摄影装置（CT）放射治疗模拟定位X射线辐射源检定规程