Vorrichtung zur Aufzeichnung von Tonschwingungen.,申请号CHD221054-传众专利搜索

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法人/股东/高管

发明名称	Vorrichtung zur Aufzeichnung von Tonschwingungen.
摘要
申请公布号	CH221054(A)	申请公布日期	1942.05.15
申请号	CHD221054	申请日期	1941.03.08
申请人	KLANGFILM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG	发明人	HAFTUNG KLANGFILM GESELLSCHAFT MIT BESCHRAENKTER
分类号	G11B7/00	主分类号	G11B7/00
代理机构		代理人
主权项
地址

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