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

Anton F. Zahradnik

E - Fixed Constructions – 21 – B

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Country: United States Of America

Compensator for earth boring bits

E - Fixed Constructions – 21 – B
Patent

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Expandable reamers for earth boring applications

E - Fixed Constructions – 21 – B
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Expandable reamers for earth-boring applications and methods...

E - Fixed Constructions – 21 – B
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Floating seal for earth boring bit

E - Fixed Constructions – 21 – B
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Hybrid drill bit with high pilot-to-journal diameter ratio

E - Fixed Constructions – 21 – B
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Profile ID: LFCA-PAI-P-243204

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