Perfectionnement aux systèmes à transmission optique,申请号FRD1012363-传众专利搜索

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发明名称	Perfectionnement aux systèmes à transmission optique
摘要
申请公布号	FR1012363(A)	申请公布日期	1952.07.09
申请号	FRD1012363	申请日期	1949.07.22
申请人	SOCIETE ANONYME DES MANUFACTURES DES GLACES ET PRODUITS CHIMIQUES DE SAINT-GOBAIN,CHAUNY & CIREY	发明人
分类号	G02B13/16;G02B27/00	主分类号	G02B13/16
代理机构		代理人
主权项
地址

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