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

Harold S. Chapman

E - Fixed Constructions – 21 – B

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Mechanical system for control of a free floating dock

B - Operations – Transporting – 63 – B
Patent

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Primary transfer sub for dual concentric drillpipe

E - Fixed Constructions – 21 – B
Patent

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Dual concentric drillpipe

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

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Mechanical system for control of a free floating dock

B - Operations – Transporting – 63 – B
Patent

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Primary transfer sub for dual concentric drillpipe

E - Fixed Constructions – 21 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-299342

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