Apparatus for reproducing sounds recorded on films,申请号US19300436078-传众专利搜索

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法人/股东/高管

发明名称	Apparatus for reproducing sounds recorded on films
摘要
申请公布号	US1843708(A)	申请公布日期	1932.02.02
申请号	US19300436078	申请日期	1930.03.15
申请人	SELENOPHON LICHT- UND TONBILDGESELLSCHAFT M. B. H.	发明人	CZEIJA OSKAR;RICHTERA LEOPOLD;THIRRING HANS
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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