Eyeglasses,申请号US19340712986-传众专利搜索

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发明名称	Eyeglasses
摘要
申请公布号	US1988646(A)	申请公布日期	1935.01.22
申请号	US19340712986	申请日期	1934.02.26
申请人	GEORGE DIRR	发明人	DIRR GEORGE
分类号	G02C5/00	主分类号	G02C5/00
代理机构		代理人
主权项
地址

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