Dispositif de fixation de verres correcteurs aux lunettes de protection,申请号FRD50831-传众专利搜索

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发明名称	Dispositif de fixation de verres correcteurs aux lunettes de protection
摘要
申请公布号	FR50831(E)	申请公布日期	1941.04.18
申请号	FRD50831	申请日期	1939.09.01
申请人	LES FRERES LISSAC	发明人
分类号	G02C9/00	主分类号	G02C9/00
代理机构		代理人
主权项
地址

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