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

Michael B. Grayson

E - Fixed Constructions – 21 – B

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Country: United States Of America

Dual redundant detonating system for oil well perforators

E - Fixed Constructions – 21 – B
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Rotating bop and method

E - Fixed Constructions – 21 – B
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Universal perforating gun firing head

E - Fixed Constructions – 21 – B
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Profile ID: LFCA-PAI-P-1633196

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