SUB-SURFACE RELEASE PLUG ASSEMBLY,申请号AU19880021787-传众专利搜索

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发明名称	SUB-SURFACE RELEASE PLUG ASSEMBLY
摘要
申请公布号	AU615669(B2)	申请公布日期	1991.10.10
申请号	AU19880021787	申请日期	1988.09.02
申请人	HALLIBURTON COMPANY	发明人	BILLIE JACK BRADLEY
分类号	E21B33/05;E21B33/076;E21B33/16;(IPC1-7):E21B33/134	主分类号	E21B33/05
代理机构		代理人
主权项
地址

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