Optical method and means,申请号US19400365914-传众专利搜索

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发明名称	Optical method and means
摘要
申请公布号	US2336508(A)	申请公布日期	1943.12.14
申请号	US19400365914	申请日期	1940.11.16
申请人	MACLEAN SMITH FRANCIS;AQUINAS KIRBY THOMAS	发明人	SMITH FRANCIS MACLEAN;KIRBY THOMAS AQUINAS
分类号	G03B21/00	主分类号	G03B21/00
代理机构		代理人
主权项
地址

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