阀门标准 BS EN 12569-1999 工业阀门.化学和岩石化学工艺工业阀门.要求和试验Industrial valves – Valves for chemical and petrochemical process industry – Requirements and tests.pdf [db:摘要]
阀门标准 BS EN 12516-4-2008 Industrial valves — Shell design strength — Part 4 Calculation method for valve shells manufactured in metallic materials other than steel.pdf [db:摘要]
