Dispositif de sécurité pour instrument d'optique à double mise au point,申请号FR19590811465-传众专利搜索

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发明名称	Dispositif de sécurité pour instrument d'optique à double mise au point
摘要
申请公布号	FR1250014(A)	申请公布日期	1961.01.06
申请号	FR19590811465	申请日期	1959.11.27
申请人	ETABLISSEMENTS E. VION	发明人
分类号	G02B21/24	主分类号	G02B21/24
代理机构		代理人
主权项
地址

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