Perfectionnements aux projecteurs cinématographiques utilisant des films à perforation centrale en vue de la projection de films sans fin,申请号FRD763287-传众专利搜索

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发明名称	Perfectionnements aux projecteurs cinématographiques utilisant des films à perforation centrale en vue de la projection de films sans fin
摘要
申请公布号	FR763287(A)	申请公布日期	1934.04.26
申请号	FRD763287	申请日期	1933.11.02
申请人		发明人	ZOLLINGER ALFRED
分类号	G03B21/32	主分类号	G03B21/32
代理机构		代理人
主权项
地址

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