Home / Standards / GB/T 39956.1-2021 GB/T 39956.1-2021 Active Pneumatic fluid power—Electro-pneumatic pressure control valves—Part 1:Main characteristics to include in the supplier's literature 气动 电-气压力控制阀 第1部分：商务文件中应包含的主要特性 Standard Type GBT ICS 23.100.50 CCS J20 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A