Repair lagging unit for secondary protection of mining excavation,申请号PL20070383121-传众专利搜索

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发明名称	Repair lagging unit for secondary protection of mining excavation
摘要
申请公布号	PL383121(A1)	申请公布日期	2009.02.16
申请号	PL20070383121	申请日期	2007.08.09
申请人	BARECKI ZBIGNIEW;KACZMARZYK STANIS&LSTROK,AW;DZIEWIOR WIES&LSTROK,AW	发明人	BARECKI ZBIGNIEW;KACZMARZYK STANIS&LSTROK,AW;DZIEWIOR WIES&LSTROK,AW
分类号	E21D11/15	主分类号	E21D11/15
代理机构		代理人
主权项
地址

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