WELL PERFORATION DEVICE,申请号PH19810000279-传众专利搜索

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发明名称	WELL PERFORATION DEVICE
摘要
申请公布号	PH20154(A)	申请公布日期	1986.10.08
申请号	PH19810000279	申请日期	1982.10.13
申请人	SCHLUMBERGER LIMITED	发明人	MICHEL BOSSE PLATIERE;GERARD BOUGUYON
分类号	E21B43/11	主分类号	E21B43/11
代理机构		代理人
主权项
地址

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