FASTENER FOR ANCHORING FOUR-PIECE SETS OF MINE GALLERY LININGS,申请号PL19970107245U-传众专利搜索

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发明名称	FASTENER FOR ANCHORING FOUR-PIECE SETS OF MINE GALLERY LININGS
摘要
申请公布号	PL59604(Y1)	申请公布日期	2003.03.31
申请号	PL19970107245U	申请日期	1997.10.30
申请人	DONICA JAN	发明人	DONICA JAN
分类号	E21D11/22;E21D20/00;(IPC1-7):E21D20/00	主分类号	E21D11/22
代理机构		代理人
主权项
地址

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