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Curved nozzle for drill bits
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Patent number 9,951,567
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Issue date Apr 24, 2018
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Varel Europe S.A.S.
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Bruno Cuillier De Maindreville
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E21 - EARTH DRILLING MINING
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Heavy duty matrix bit
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Patent number 8,973,683
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Issue date Mar 10, 2015
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Varel Europe S.A.S.
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Bruno Cuillier De Maindreville
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Self positioning cutter and pocket
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Patent number 8,132,633
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Issue date Mar 13, 2012
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Varel International Ind., L.P.
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Bruno Cuillier De Maindreville
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E21 - EARTH DRILLING MINING