Improvements in and relating to spectacles,申请号GB19490020853-传众专利搜索

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发明名称	Improvements in and relating to spectacles
摘要
申请公布号	GB662023(A)	申请公布日期	1951.11.28
申请号	GB19490020853	申请日期	1949.08.10
申请人	CHARLES LOUIS CURTET	发明人
分类号	G02C1/02;G02C1/04	主分类号	G02C1/02
代理机构		代理人
主权项
地址

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