ELEMENTO TAGLIENTE, PUNTA DA PERFORAZIONE, SISTEMA E PROCEDIMENTO PER LA PERFORAZIONE DI FORMAZIONI TENERE E PLASTICHE.,申请号IT1998TO00796-传众专利搜索

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发明名称	ELEMENTO TAGLIENTE, PUNTA DA PERFORAZIONE, SISTEMA E PROCEDIMENTO PER LA PERFORAZIONE DI FORMAZIONI TENERE E PLASTICHE.
摘要
申请公布号	ITTO980796(A1)	申请公布日期	2000.03.20
申请号	IT1998TO00796	申请日期	1998.09.18
申请人	BAKER HUGHES INCORPORATED	发明人	TIBBITTS GORDON A.;COOLEY CRAIG H.
分类号	E21B10/56;E21B10/567	主分类号	E21B10/56
代理机构		代理人
主权项
地址

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