Dispositif pour accrocher un film autour d'une bobine,申请号FRD924378-传众专利搜索

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发明名称	Dispositif pour accrocher un film autour d'une bobine
摘要
申请公布号	FR924378(A)	申请公布日期	1947.08.04
申请号	FRD924378	申请日期	1946.03.23
申请人		发明人	KORN FELIX
分类号	G03B17/30	主分类号	G03B17/30
代理机构		代理人
主权项
地址

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