阀门标准 EN 1111-1998 卫生设备管件.恒温混合阀(PN10).一般技术规范Sanitary tapware – Thermostatic mixing valves (PN 10) – General technical specification.pdf [db:摘要]
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]
