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

David J. Mcwhorter

E - Fixed Constructions – 21 – B

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Country: United States Of America

Fluid saving blowout preventer operator system

E - Fixed Constructions – 21 – B
Patent

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Variable bore packer for a ram type blowout preventer

E - Fixed Constructions – 21 – B
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Variable bore ram

E - Fixed Constructions – 21 – B
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Profile ID: LFCA-PAI-P-1569083

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