Schaltungsanordnung fuer Konferenzanlagen,申请号DE1949P051193-传众专利搜索

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发明名称	Schaltungsanordnung fuer Konferenzanlagen
摘要
申请公布号	DE849571(C)	申请公布日期	1953.08.31
申请号	DE1949P051193	申请日期	1949.08.06
申请人	MIX & GENEST AKTIENGESELLSCHAFT	发明人	RENSCH HEINZ DIPL.-ING.
分类号	H04M9/00;H04M9/08	主分类号	H04M9/00
代理机构		代理人
主权项
地址

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