Improvements in or relating to motion picture films,申请号GB19340011261-传众专利搜索

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发明名称	Improvements in or relating to motion picture films
摘要
申请公布号	GB433074(A)	申请公布日期	1935.08.08
申请号	GB19340011261	申请日期	1934.04.13
申请人	BELL TELEPHONE LABORATORIES INCORPORATED	发明人
分类号	G03D15/00	主分类号	G03D15/00
代理机构		代理人
主权项
地址

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