WETTERTUER FUER DEN UNTERTAEGIGEN GRUBENBETRIEB,申请号DE19830037256U-传众专利搜索

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发明名称	WETTERTUER FUER DEN UNTERTAEGIGEN GRUBENBETRIEB
摘要
申请公布号	DE8337256(U1)	申请公布日期	1984.05.10
申请号	DE19830037256U	申请日期	1983.12.24
申请人	GRUENDER & HOETTEN GMBH, 4300 ESSEN, DE	发明人
分类号	E21F1/10;(IPC1-7):E21F1/10	主分类号	E21F1/10
代理机构		代理人
主权项
地址

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