• GB/T 40523.2-2021船舶与海上技术 船体和螺旋桨性能变化测量 第2部分:默认方法Ships and marine technology. Measure...2022-03-18
  • GB/T 40523.3-2021船舶与海上技术 船体和螺旋桨性能变化测量 第3部分:替代方法Ships and marine technology. Measure...2022-03-18
  • GB/T 40528.1-2021多体游艇结构尺寸规定 第1部分:复合材料Requirements for structural dimensions of multi-hull ya...2022-03-18
  • GB/T 40530-2021船舶和海上技术 液化天然气运输船液货舱安全阀 设计与试验要求Ships and marine technology. Safety...2022-03-18
  • GB/T 40531.1-2021船舶与海上技术 船用气体探测器规范 第1部分:围蔽处所的便携式气体探测器Ships and marine technol...2022-03-18
  • GB/T 40533-2021船舶与海洋技术 船用起重设备可拆卸零部件 滑轮装置Ships and marine technology. Loose gear of li...2022-03-18
  • GB/T 40534-2021船舶与海洋技术 船用起重设备可拆卸零部件 吊钩Ships and marine technology. Loose gear of liftin...2022-03-18
  • GB/T 40536-2021航天器剩余推进剂排放设计要求Design requirements for residual propellant venting of Spacecraft...2022-03-18
  • GB/T 40537-2021航天产品裕度设计指南Guidelines for design margin of aerospace products2022-03-18
  • GB/T 40538-2021空间飞行器结构刚度控制要求Structural stiffness control requirements of space vehicle...2022-03-18
  • GB/T 40540-2021航天器用导热硅脂规范Specification for silicone grease thermal filler of spacecraft2022-03-18
  • GB/T 40541-2021航天金属压力容器结构设计要求Structural design requirements of metal pressure vessels for spac...2022-03-18
  • GB/T 40542-2021航天火工系统及装置设计要求Design requirements for space explosive systems and devices...2022-03-18
  • GB/T 40544-2021航天器对发射服务接口要求文件Spacecraft interface requirements document for launch vehicle ser...2022-03-18
  • GB/T 40545-2021煤层气井压裂作业导则Guidelines of hydraulic fracturing for coalbed methane well2022-03-18
  • GB/T 40546-2021煤层气井排采工程设计规范Design specification for coalbed methane well drainage engineering...2022-03-18
  • GB/T 40547-2021煤层气钻完井设计指南Design guidelines for coalbed methane well drilling and completion...2022-03-18
  • GB/T 40548-2021煤层气井分层控压合层排采技术规范Technical specification of separate layers pressure control a...2022-03-18
  • GB/T 40549-2021焦炭堆积密度小容器测定方法Determination of bulk density of coke in a small container...2022-03-18
  • GB/T 40550-2021劳动人事争议仲裁术语Terminology of labor and personnel dispute arbitration2022-03-18
  • GB/T 40552-2021教育服务效果测评指南Guidance for assessment of outcomes of learning services2022-03-18
  • GB/T 40611-2021塑料 海水沙质沉积物界面非漂浮塑料材料最终需氧生物分解能力的测定 通过测定密闭呼吸计内耗氧量的...2022-03-18
  • YY 1045-2021牙科学 手机和马达2022-03-18
  • YY 0671-2021医疗器械 睡眠呼吸暂停治疗 面罩和应用附件2022-03-18