Dyestuffs of the pyrazinocyanine series and process of making them,申请号US19370120830-传众专利搜索

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发明名称	Dyestuffs of the pyrazinocyanine series and process of making them
摘要
申请公布号	US2200689(A)	申请公布日期	1940.05.14
申请号	US19370120830	申请日期	1937.01.15
申请人	GENERAL ANILINE & FILM CORPORATION	发明人	ECKERT WILHELM;QUINT FERDINAND
分类号	C09B23/00;C09B47/04	主分类号	C09B23/00
代理机构		代理人
主权项
地址

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