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Number of entries (Data is updated on a monthly basis): 46674
GB/T 14617.3-2012
陆地移动业务和固定业务传播特性 第3部分:视距微波接力通信系统传播特性
Propagation characteristics in land mobile service and fixed service - Part 3: Propagation characteristics of line-of-sight radio-relay communications systems
GB/T 20166.1-2012
Chemical analysis methods of rare earth polishing powder - Part 1: Determination of cerium oxide content - Titrimetry
GB/T 20166.2-2012
稀土抛光粉化学分析方法 第2部分:氟量的测定 离子选择性电极法
Chemical analysis methods of rare earth polishing powder - Part 2: Determination fluorine content - Ion selective electrode analysis
GB/T 20167-2012
Physical test method of rare earth polishing powder - Determination of burnishing mass and scratch - Gravimetry
GB/T 28814-2012
The guide for composition of the ±800kV converter station operating code
Number of entries (Data is updated on a monthly basis): 46674