Anrufschaltung fuer Tuerlautsprecher-Anlagen u.dgl.,申请号DE19681762369-传众专利搜索

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发明名称	Anrufschaltung fuer Tuerlautsprecher-Anlagen u.dgl.
摘要
申请公布号	DE1762369(A1)	申请公布日期	1970.05.14
申请号	DE19681762369	申请日期	1968.06.05
申请人	A.GROTHE & SOEHNE KG	发明人	GROTHE,DIPL.-ING.CARL
分类号	H04M11/02	主分类号	H04M11/02
代理机构		代理人
主权项
地址

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