Installation de transmission de courant de parole avec réglage à distance de l'intensité des sons,申请号FRD893068-传众专利搜索

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发明名称	Installation de transmission de courant de parole avec réglage à distance de l'intensité des sons
摘要
申请公布号	FR893068(A)	申请公布日期	1944.05.30
申请号	FRD893068	申请日期	1943.04.02
申请人	KLANGFILM GESELLSCHAFT MIT BESCHRANKTER HAFTUNG	发明人
分类号	H03G1/02	主分类号	H03G1/02
代理机构		代理人
主权项
地址

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