F - Mech Eng,Light,Heat,Weapons – 16 – J
Inventor
F - Mech Eng,Light,Heat,Weapons
16
J
Inventor
Country: United States Of America
Pressure energized/pressure intensified casing seal
Selective double backseat for valve stems
Tool protective guide with energy absorbing bumper
Uni-directional/bi-directional gate valve
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