Perfectionnement aux pochettes de matière transparente pour microfilms, microfiches et analogues,申请号FRD1117031-传众专利搜索

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发明名称	Perfectionnement aux pochettes de matière transparente pour microfilms, microfiches et analogues
摘要
申请公布号	FR1117031(A)	申请公布日期	1956.05.15
申请号	FRD1117031	申请日期	1955.01.05
申请人		发明人	PETIT LOUIS
分类号	B42F7/00	主分类号	B42F7/00
代理机构		代理人
主权项
地址

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