sigh007 发表于 2012-3-22 15:54:56

MIL-V-24439A


                   MIL-V-24439A, MILITARY SPECIFICATION: VALVE, OXYGEN, HELIUM AND HELIUM OXYGEN MIXTURE, HIGH PRESSURE FOR GAS SERVICES (14 MAR 1984)., This specification describes valves for high pressure oxygen, helium, and helium oxygen mixture gas services.         
         
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