Appareil de projection,申请号FR19570732087-传众专利搜索

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发明名称	Appareil de projection
摘要
申请公布号	FR1226414(A)	申请公布日期	1960.07.11
申请号	FR19570732087	申请日期	1957.02.19
申请人		发明人	HERPIN MAURICE-PAUL
分类号	G03B21/00	主分类号	G03B21/00
代理机构		代理人
主权项
地址

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