Borehole closure plug,申请号AU19990041591-传众专利搜索

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发明名称	Borehole closure plug
摘要
申请公布号	AU756023(B2)	申请公布日期	2003.01.02
申请号	AU19990041591	申请日期	1999.05.27
申请人	NILS ALBERTO HEINKE;ROGER DEAN SKAGGS;STEPHEN MITCHELL COLLINSWORTH	发明人	NILS ALBERTO HEINKE;ROGER DEAN SKAGGS;STEPHEN MITCHELL COLLINSWORTH
分类号	E21B33/136;F42D1/18;(IPC1-7):F42D1/18	主分类号	E21B33/136
代理机构		代理人
主权项
地址

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