Vorrichtung zum wetterdichten Abschliessen von Strecken im Untertagebergbau,申请号DED1583122-传众专利搜索

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发明名称	Vorrichtung zum wetterdichten Abschliessen von Strecken im Untertagebergbau
摘要
申请公布号	DE1583122(B)	申请公布日期	1970.06.18
申请号	DED1583122	申请日期	1967.07.26
申请人	BERGWERKSVERBAND GMBH	发明人	DREKER,RAIMUND
分类号	E21F17/107	主分类号	E21F17/107
代理机构		代理人
主权项
地址

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