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China GB Standards List

 GB/T 39673.53-2020  
Home and building electronic systems (HBES) and building automation and control systems (BACS)—Part 53: EMC requirements for HBES/BACS used in industrial environments

住宅和楼宇电子系统(HBES)及楼宇自动化和控制系统(BACS) 第53部分:用于工业环境下的HBES和BACS的EMC要求
 GB/T 33523.1-2020  
Geometrical product specifications (GPS)—Surface texture: Areal—Part 1: Indication of surface texture

产品几何技术规范(GPS) 表面结构 区域法 第1部分:表面结构的表示法
 GB/T 33523.70-2020  
Geometrical product specifications (GPS)—Surface texture: Areal—Part 70: Material measures

产品几何技术规范(GPS) 表面结构 区域法 第70部分:实物测量标准
 GB/T 33523.71-2020  
Geometrical product specifications (GPS)—Surface texture: Areal—Part 71: Software measurement standards

产品几何技术规范(GPS) 表面结构 区域法 第71部分:软件测量标准
 GB/T 31489.3-2020  
D.C. extruded cable systems for power transmission at a rated voltage up to and including 500kV—Part 3: D.C. submarine cables

额定电压500kV及以下直流输电用挤包绝缘电力电缆系统 第3部分:直流海底电缆
 GB/T 31489.2-2020  
D.C. extruded cable systems for power transmission at a rated voltage up to and including 500kV—Part 2: D.C. land cables

额定电压500kV及以下直流输电用挤包绝缘电力电缆系统 第2部分:直流陆地电缆

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