Improvements relating to cinematograph projection apparatus,申请号GB19290017271-传众专利搜索

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发明名称	Improvements relating to cinematograph projection apparatus
摘要
申请公布号	GB336556(A)	申请公布日期	1930.10.06
申请号	GB19290017271	申请日期	1929.06.05
申请人	I.G. FARBENINDUSTRIE AKTIENGESELLSCHAFT	发明人
分类号	G03B21/16	主分类号	G03B21/16
代理机构		代理人
主权项
地址

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