阀门标准 BS EN 12266-1-2003 Industrial valves. Testing of valves. Pressure tests, test procedures and acceptance criteria. Mandatory requirements.pdf [db:摘要]
阀门标准 BS EN 12266-2-2002 Industrial valves. Testing of valves. Tests, test procedures and acceptance criteria. Supplementary requirements.pdf [db:摘要]
阀门标准 BS EN 12284-2003 Refrigerating systems and heat pumps-Valves-Requirements, testing and marking.pdf [db:摘要]
