Lens,申请号US19290344302-传众专利搜索

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发明名称	Lens
摘要
申请公布号	US1899777(A)	申请公布日期	1933.02.28
申请号	US19290344302	申请日期	1929.03.05
申请人	THE UNIVIS CORPORATION;UNITED KINGDOM OPTICAL COMPANY, LIMITED	发明人	STANLEY NATHAN M.
分类号	G02C7/06	主分类号	G02C7/06
代理机构		代理人
主权项
地址

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