Optical measuring or testing apparatus,申请号US19390281730-传众专利搜索

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发明名称	Optical measuring or testing apparatus
摘要
申请公布号	US2298992(A)	申请公布日期	1942.10.13
申请号	US19390281730	申请日期	1939.06.28
申请人	KAPELLA LIMITED	发明人	WARMISHAM ARTHUR;REASON RICHARD EDMUND
分类号	G02B21/00	主分类号	G02B21/00
代理机构		代理人
主权项
地址

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