Wechselsprechanlage fuer Tauch- und Grubenzwecke,申请号DE1957D024810-传众专利搜索

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发明名称	Wechselsprechanlage fuer Tauch- und Grubenzwecke
摘要
申请公布号	DE1084767(B)	申请公布日期	1960.07.07
申请号	DE1957D024810	申请日期	1957.02.01
申请人	DRAEGERWERK, HEINR. & BERNH. DRAEGER	发明人
分类号	H04M1/03;H04M9/00	主分类号	H04M1/03
代理机构		代理人
主权项
地址

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