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

Sujian Huang

E - Fixed Constructions – 21 – B

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Country: United States Of America

Axial stability in rock bits

E - Fixed Constructions – 21 – B
Patent

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Centered-leg roller cone drill bit

E - Fixed Constructions – 21 – B
Patent

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Composite rock bit seal

E - Fixed Constructions – 21 – B
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Cutting element geometry for roller cone drill bit

E - Fixed Constructions – 21 – B
Patent

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Cutting structure for roller cone drill bits

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-1290730

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