Improvements in attachments for spectacle frames,申请号GB19480027076-传众专利搜索

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发明名称	Improvements in attachments for spectacle frames
摘要
申请公布号	GB647864(A)	申请公布日期	1950.12.20
申请号	GB19480027076	申请日期	1949.05.18
申请人	STEPHEN DAVID LEE	发明人	FELDMAN GERALD
分类号	G02C3/00;G02C5/14;G02C11/00	主分类号	G02C3/00
代理机构		代理人
主权项
地址

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