Leuco sulfuric ester of gray vat dye,申请号US19490122895-传众专利搜索

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发明名称	Leuco sulfuric ester of gray vat dye
摘要
申请公布号	US2540783(A)	申请公布日期	1951.02.06
申请号	US19490122895	申请日期	1949.10.22
申请人	AMERICAN CYANAMID COMPANY	发明人	HARDY WILLIAM BAPTIST
分类号	C09B9/02	主分类号	C09B9/02
代理机构		代理人
主权项
地址

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