4. E - Fixed Constructions
  5. 21
  6. B

Tianle Guo

E - Fixed Constructions – 21 – B

Inventor

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Inventor

Country: Canada

Blowout preventer with rope packing seal

E - Fixed Constructions – 21 – B
Patent

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Gate valve with tongue and groove or bridging seal to...

F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent

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Metal seal for wellheads

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-1413742

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