Schaleisen fuer den Grubenausbau,申请号DED850131-传众专利搜索

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发明名称	Schaleisen fuer den Grubenausbau
摘要
申请公布号	DE850131(C)	申请公布日期	1952.09.22
申请号	DED850131	申请日期	1948.10.02
申请人	GUTEHOFFNUNGSHUETTE OBERHAUSEN AKTIENGESELLSCHAFT, OBERHAUSEN (RHLD.)	发明人	(RHLD.)-STER DIPL.-ING. KARL FROEHLICH, OBERHAUSEN
分类号	E21D17/082	主分类号	E21D17/082
代理机构		代理人
主权项
地址

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