Anordnung des Mikrophons von Lautzeichenempfaengern,申请号DE1951B015895-传众专利搜索

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发明名称	Anordnung des Mikrophons von Lautzeichenempfaengern
摘要
申请公布号	DE898318(C)	申请公布日期	1953.11.30
申请号	DE1951B015895	申请日期	1951.07.18
申请人	ROBERT BOSCH G.M.B.H.	发明人	DOBLER ERICH DIPL.-ING.
分类号	H04R1/30	主分类号	H04R1/30
代理机构		代理人
主权项
地址

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