兑水 发表于 2009-12-3 09:13:22

ASTM F 1794-1997 手动、球型阀气体(除氧气)和液压系统标准规范

F1794-97(2004) Standard Specification for Hand-Operated, Globe-Style Valves for Gas (Except Oxygen Gas), and Hydraulic Systems
页: [1]
查看完整版本: ASTM F 1794-1997 手动、球型阀气体(除氧气)和液压系统标准规范