• GB/T 9143-2021商品煤质量 固定床气化用煤Commercial coal quality. Coal for fixed-bed gasification2022-10-25
  • GB/T 41066.1-2021石油天然气钻采设备海洋石油半潜式钻井平台 第1部分:功能配置和设计Petroleum drilling and produ...2022-10-25
  • GB/T 25684.9-2021土方机械 安全 第9部分:吊管机的要求Earth-moving machinery—Safety—Part 9: Requirements for...2022-10-25
  • GB/T 38265.5-2021软钎剂试验方法 第5部分:铜镜试验Test methods for soft soldering fluxes—Part 5: Copper mirror...2022-10-25
  • GB/T 25210-2021商品煤质量 中低温热解用煤Commercial coal quality. Coal for medium and low temperature pyrolys...2022-10-25
  • GB/T 26024-2021空调与制冷系统阀件用铜及铜合金无缝管Seamless copper and copper alloys tube for valves on air-...2022-10-25
  • GB/T 18691.3-2021农业灌溉设备 灌溉阀 第3部分:止回阀Agricultural irrigation equipment—Irrigation valves—Pa...2022-10-25
  • GB/T 35205.7-2021越野叉车 安全要求及验证 第7部分:纵向载荷力矩系统Rough-terrain trucks. Safety requirements a...2022-10-25
  • GB/T 41062-2021摩擦材料和制动器间的热传导试验方法Test method for thermal transport properties to friction ma...2022-10-25
  • GB/T 41089-2021基于雷电临近预警的电子系统隔离防雷技术规范Technical specification for isolated lightning prot...2022-10-25
  • GB/T 41036-2021宇航用超高低温圆形电连接器通用规范General specification for super high-low temperature circul...2022-10-25
  • GB/T 2384-2021染料中间体 熔点范围测定通用方法Dyes intermediates—General method for the determination of me...2022-10-25
  • GB/T 26559-2021机械式停车设备 分类Mechanical parking system. Classification2022-10-25
  • GB/T 41205.1-2021应急物资编码与属性描述 第1部分:个体防护装备Code and attribute description of emergency suppl...2022-10-25
  • GB/T 41040-2021宇航用商业现货(COTS)半导体器件 质量保证要求COTS semiconductor parts for space application—Qual...2022-10-25
  • GB/T 24818.2-2021起重机 通道及安全防护设施 第2部分:流动式起重机Cranes—Access, guards and restraints—Part 2:...2022-10-25
  • GB/T 24606-2021滚动轴承 无损检测 磁粉检测Rolling bearings. Non-destructive testing. Magnetic particle testin...2022-10-25
  • GB/T 41128-2021跨境电子商务 出口商品信息描述规范Cross-border E-commerce—Specification for information descr...2022-10-25
  • GB/T 41034-2021宇航用电磁继电器通用设计规范General design specification of electromagnetic relay for space a...2022-10-25
  • GB/T 41216-2021船用系泊组合连接索Marine combine connecting line for mooring2022-10-25
  • GB/T 30887-2021工业企业水系统集成优化技术指南Technical guide for water system integration and optimization o...2022-10-25
  • GB/T 41049-2021纤维金属层板弯曲性能试验方法Test method for flexural properties of fibre metal laminates...2022-10-25
  • GB/T 41097-2021非公路用旅游观光车辆使用管理Use management for sightseeing vehicle2022-10-25
  • GB/T 41217-2021城市地铁与综合管廊用热轧槽道City metro and composite pipe gallery hot-rolling channel...2022-10-25