F - Mech Eng,Light,Heat,Weapons – 16 – J
Inventor
F - Mech Eng,Light,Heat,Weapons
16
J
Inventor
Country: United States Of America
Face seal with double spiral grooves
Mechanical seal ring assembly with hydrodynamic pumping...
Pressure responsive primary ring geometry for a...
Spiral groove seal arrangement for high vapor-pressure liquids
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