Strebausbau fuer den Grubenbetrieb,申请号DE1957G022710-传众专利搜索

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发明名称	Strebausbau fuer den Grubenbetrieb
摘要
申请公布号	DE1086648(B)	申请公布日期	1960.08.11
申请号	DE1957G022710	申请日期	1957.08.07
申请人	GELSENKIRCHENER BERGWERKS-AKTIENGESELLSCHAFT	发明人	KIPPENBERGER DIPL.-ING. GERD
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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