Method of making lenses,申请号US19570636336-传众专利搜索

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发明名称	Method of making lenses
摘要
申请公布号	US2847804(A)	申请公布日期	1958.08.19
申请号	US19570636336	申请日期	1957.01.25
申请人	CONTINENTAL OPTICAL COMPANY, INC.	发明人	CALKINS TRACY H.;HOOD THOMAS S.
分类号	B24B13/00	主分类号	B24B13/00
代理机构		代理人
主权项
地址

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