Eyeglass or spectacle lens,申请号GB19300011836-传众专利搜索

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发明名称	Eyeglass or spectacle lens
摘要
申请公布号	GB345838(A)	申请公布日期	1931.04.02
申请号	GB19300011836	申请日期	1930.04.14
申请人	CHARLES TRUMBO PANKHURST	发明人
分类号	G02C7/10	主分类号	G02C7/10
代理机构		代理人
主权项
地址

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