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

Richard Butland

E - Fixed Constructions – 21 – B

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Country: Canada

Cutting element arrangement for single roller cone bit

E - Fixed Constructions – 21 – B
Patent

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Cutting element structure for roller cone bit

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-1891580

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