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

Harold T. Klein

E - Fixed Constructions – 21 – B

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Drill pipe breakout mechanism

E - Fixed Constructions – 21 – B
Patent

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Drill stem breakout method and apparatus

E - Fixed Constructions – 21 – B
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Drilling machine for use in small tunnels

E - Fixed Constructions – 21 – B
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Earth drilling machine

E - Fixed Constructions – 21 – B
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Lift system for cargo containers

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Profile ID: LFCA-PAI-P-17178

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