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James R. Mayer

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Apparatus for handling a drilling equipment

E - Fixed Constructions – 21 – B
Patent

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Controls for hydraulic percussion drill

E - Fixed Constructions – 21 – B
Patent

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Controls for hydraulic percussion drill

F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent

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Drill rod retrieving tool

E - Fixed Constructions – 21 – B
Patent

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Drill rod uncoupling and storage apparatus

E - Fixed Constructions – 21 – B
Patent

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Apparatus for handling a drilling equipment

E - Fixed Constructions – 21 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydraulically actuated reciprocating piston pump

F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent

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Profile ID: LFCA-PAI-P-24329

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