阀门标准 BS EN 1074-3-2000 Valves for water supply – Fitness for purpose requirements and appropriate verification tests – Part 3 Check 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]
