Kopfhörer,申请号AT19670005241-传众专利搜索

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发明名称	Kopfhörer
摘要
申请公布号	AT287818(B)	申请公布日期	1971.02.10
申请号	AT19670005241	申请日期	1967.06.05
申请人	AKUSTISCHE U. KINO-GERAETE GESELLSCHAFT M.B.H.	发明人	ING. KARL CECH
分类号	H04M1/05;(IPC1-7):H04R1/10	主分类号	H04M1/05
代理机构		代理人
主权项
地址

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