Fabrication de lentilles à double foyer,申请号FRD1019496-传众专利搜索

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发明名称	Fabrication de lentilles à double foyer
摘要
申请公布号	FR1019496(A)	申请公布日期	1953.01.22
申请号	FRD1019496	申请日期	1950.06.05
申请人	CORNING GLASS WORKS	发明人
分类号	C03C3/102;C03C3/105	主分类号	C03C3/102
代理机构		代理人
主权项
地址

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