Search Results - "GERARD P. ERPENBECK" :: K.UTB vyhledávací portál

DRILL BIT WITH INTEGRALLY FORGED STABILIZER

by CAWTHORNE, CHRIS E, ERPENBECK, GERARD P, NGUYEN, VAN H
Year of Publication 20.06.1995

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Patent

by CROCKETT; DAVID P, ERPENBECK; GERARD P, HOOPER; MICHAEL E
Year of Publication 27.12.1988

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Patent

by VAN H. NGUYEN, GERARD P. ERPENBECK, CHRIS E. CAWTHORNE
Year of Publication 14.10.1988

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Patent

by VAN H. NGUYEN, GERARD P. ERPENBECK, CHRIS E. CAWTHORNE
Year of Publication 13.04.1993

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Patent

by VAN H. NGUYEN, GERARD P. ERPENBECK, CHRIS E. CAWTHORNE
Year of Publication 27.10.1989

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Patent