Eyeglass frame and hinge structure therefor,申请号US19520271812-传众专利搜索

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发明名称	Eyeglass frame and hinge structure therefor
摘要
申请公布号	US2688274(A)	申请公布日期	1954.09.07
申请号	US19520271812	申请日期	1952.02.15
申请人	BELGARD AUSTIN B	发明人	BELGARD AUSTIN B.
分类号	G02C5/22	主分类号	G02C5/22
代理机构		代理人
主权项
地址

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