GB/T 20818.21-2020
ActiveIndustrial-process measurement and control—Data structures and elements in process equipment catalogues—Part 21: List of properties (LOP) for automated valves for electronic data exchange—Generic structures
工业过程测量和控制 过程设备目录中的数据结构和元素 第21部分:自动阀电子数据交换用属性列表(LOP) 通用结构