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

Rainer Beccu

E - Fixed Constructions – 21 – B

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Country: United States Of America

A percussive down-the-hole hammer and a drill bit

E - Fixed Constructions – 21 – B
Patent

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Drill tube for forming drill strings

E - Fixed Constructions – 21 – B
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Hammer device

E - Fixed Constructions – 21 – B
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Hammer device

E - Fixed Constructions – 21 – B
Patent

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Method, drilling tool and rock drill bit for transferring...

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-1462914

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