Brow engaging eyeglass,申请号US19470763496-传众专利搜索

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法人/股东/高管

发明名称	Brow engaging eyeglass
摘要
申请公布号	US2478921(A)	申请公布日期	1949.08.16
申请号	US19470763496	申请日期	1947.07.25
申请人	HANSEN AAGE H	发明人	HANSEN AAGE H.
分类号	G02C1/02;G02C3/00	主分类号	G02C1/02
代理机构		代理人
主权项
地址

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