PHASED PERFORATING GUNS,申请号SG19980000891-传众专利搜索

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发明名称	PHASED PERFORATING GUNS
摘要
申请公布号	SG83102(A1)	申请公布日期	2001.09.18
申请号	SG19980000891	申请日期	1998.04.18
申请人	SCHLUMBERGER HOLDINGS LIMITED	发明人	DANIEL C. MARKEL;JORGE E. LOPEZ DE CARDENAS;VICTOR M. VU
分类号	E21B43/117;(IPC1-7):E21B43/119	主分类号	E21B43/117
代理机构		代理人
主权项
地址

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