Means for securing optical elements,申请号US19480007695-传众专利搜索

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发明名称	Means for securing optical elements
摘要
申请公布号	US2552938(A)	申请公布日期	1951.05.15
申请号	US19480007695	申请日期	1948.02.11
申请人	JEAN COJAN	发明人	COJAN JEAN
分类号	G02B7/18	主分类号	G02B7/18
代理机构		代理人
主权项
地址

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