BORE-HOLE SEALING APPARATUS,申请号PL19960314775-传众专利搜索

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发明名称	BORE-HOLE SEALING APPARATUS
摘要
申请公布号	PL314775(A1)	申请公布日期	1997.12.22
申请号	PL19960314775	申请日期	1996.06.12
申请人	HYDRAULIK SERWIS SP Z OO	发明人	GRZEGORCZYK JERZY
分类号	E21D5/012;(IPC1-7):E21D5/012	主分类号	E21D5/012
代理机构		代理人
主权项
地址

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