Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications<?Pub _bookmark Command="[Quick Mark]"?>— 9 стр.
Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications<?Pub _bookmark Command="[Quick Mark]"?>— 9 стр.