Ombygget dobbeltvirkende hydraulisk bore-slagverktøy,申请号NO19990006416-传众专利搜索

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发明名称	Ombygget dobbeltvirkende hydraulisk bore-slagverktøy
摘要
申请公布号	NO996416(D0)	申请公布日期	1999.12.22
申请号	NO19990006416	申请日期	1999.12.22
申请人	WEATHERFORD/LAMB INC	发明人	WILSON, TIMOTHY L.
分类号	E21B31/113;(IPC1-7):E21B	主分类号	E21B31/113
代理机构		代理人
主权项
地址

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