Wanderpfeilerausbau fuer den untertaegigen Grubenbetrieb,申请号DE1967H062083-传众专利搜索

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发明名称	Wanderpfeilerausbau fuer den untertaegigen Grubenbetrieb
摘要
申请公布号	DE1287538(B)	申请公布日期	1969.01.23
申请号	DE1967H062083	申请日期	1967.03.10
申请人	HAARMANN;DR.-ING. ARNOLD	发明人
分类号	E21D23/00;E21D23/04	主分类号	E21D23/00
代理机构		代理人
主权项
地址

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