阀门标准 BS EN ISO 10297-2006 可运输的气瓶 阀门 规范及定型试验Transportable gas cylinders. Cylinder valves. Specification and type testing.pdf [db:摘要]
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]
