Verfahren zum Ausbau von Abbaustreben mit Kappen und Kappe zur Durchfuehrung des Verfahrens,申请号DE1944G000890D-传众专利搜索

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发明名称	Verfahren zum Ausbau von Abbaustreben mit Kappen und Kappe zur Durchfuehrung des Verfahrens
摘要
申请公布号	DE976722(C)	申请公布日期	1964.03.26
申请号	DE1944G000890D	申请日期	1944.08.22
申请人	GROETSCHEL KARL MARIA DIPL.-BERGING.	发明人	GROETSCHEL KARL MARIA DIPL.-BERGING.
分类号	E21D17/086	主分类号	E21D17/086
代理机构		代理人
主权项
地址

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