Improvements in and relating to spectacles,申请号GB19550014388-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	GB783315(A)	申请公布日期	1957.09.18
申请号	GB19550014388	申请日期	1955.05.18
申请人	ANGELO ZANETTINI	发明人
分类号	G02C7/14	主分类号	G02C7/14
代理机构		代理人
主权项
地址

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