Self-advancing roof supports,申请号PL20010346810-传众专利搜索

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发明名称	Self-advancing roof supports
摘要
申请公布号	PL193925(B1)	申请公布日期	2007.04.30
申请号	PL20010346810	申请日期	2001.03.30
申请人	CENTRUM MECHANIZACJI GORNICTWA KOMAG	发明人	CIESLAK ZBIGNIEW;LENARD JAN;JENCZMYK DARIUSZ;GERLICH JACEK
分类号	E21D23/00	主分类号	E21D23/00
代理机构		代理人
主权项
地址

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