GB/T 20081.1-2021
气动 减压阀和过滤减压阀 第1部分:商务文件中应包含的主要特性和产品标识要求
Pneumatic fluid power—Compressed air pressure regulators and filter-regulators—Part 1:Main characteristics to be included in literature from suppliers and product-marking requirements
GBT20081.1-2021, GB20081.1-2021