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

Stefan Wrede

E - Fixed Constructions – 21 – B

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Inventor

Country: Germany

Articulation assembly for moving a drill mast

E - Fixed Constructions – 21 – B
Patent

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Clamping and breaking device

E - Fixed Constructions – 21 – B
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Drill-string shock absorbers

E - Fixed Constructions – 21 – B
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Hydraulic control system for drilling systems

E - Fixed Constructions – 21 – B
Patent

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Modular rotary drill head

E - Fixed Constructions – 21 – B
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Profile ID: LFCA-PAI-P-1563931

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