阀门标准 JIS B2005-3-2-2005 Industrial-process control valves-Part 3-2:Dimensions-Face-to-face dimensions for rotary control valves except butterfly valves.pdf [db:摘要]
阀门标准 JIS B2005-3-3-2005 Industrial-process control valves-Part 3-3:Dimensions-End-to-end dimensions for buttweld, two-way, globe-type, straight pattern control valves.pdf [db:摘要]