Cadre destiné à la projection de photographies dites diapositives,申请号FRD1163657-传众专利搜索

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发明名称	Cadre destiné à la projection de photographies dites diapositives
摘要
申请公布号	FR1163657(A)	申请公布日期	1958.09.30
申请号	FRD1163657	申请日期	1956.12.28
申请人		发明人	MATTER JEAN-EDGARD
分类号	G03B21/64	主分类号	G03B21/64
代理机构		代理人
主权项
地址

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