Verfahren zur Herstellung von Membranen, insbesondere fuer akustische Geraete,申请号DE1928S084885D-传众专利搜索

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发明名称	Verfahren zur Herstellung von Membranen, insbesondere fuer akustische Geraete
摘要
申请公布号	DE587370(C)	申请公布日期	1933.11.02
申请号	DE1928S084885D	申请日期	1928.04.01
申请人	TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.	发明人	SCHOTTKY DR. WALTER
分类号	H04R7/02	主分类号	H04R7/02
代理机构		代理人
主权项
地址

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