PERFORATING GUN FOR WELLS,申请号GB19790024831-传众专利搜索

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发明名称	PERFORATING GUN FOR WELLS
摘要
申请公布号	GB2028473(B)	申请公布日期	1982.07.28
申请号	GB19790024831	申请日期	1979.07.17
申请人	GILBERT B	发明人
分类号	E21B43/117;(IPC1-7):F42D1/02;F42B3/02;F42B3/08	主分类号	E21B43/117
代理机构		代理人
主权项
地址

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