Apparatus for the comparison of colors,申请号US19320619728-传众专利搜索

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发明名称	Apparatus for the comparison of colors
摘要
申请公布号	US2022327(A)	申请公布日期	1935.11.26
申请号	US19320619728	申请日期	1932.06.28
申请人	SHELDON ELECTRIC CORPORATION	发明人	SHELDON HAROLD HORTON
分类号	G01N21/25	主分类号	G01N21/25
代理机构		代理人
主权项
地址

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