Diamant Boart-Statabit (USA) Inc.

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Houston, TX, US

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Information Patent Grant
Orientable fluid nozzle for drill bits
- Patent number 4,794,995
- Issue date Jan 3, 1989
- Diamant Boart-Statabit (USA) Inc.
- Lawrence W. Matson
- E21 - EARTH DRILLING MINING

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