Pyrazolone azo dyestuffs,申请号US19360057767-传众专利搜索

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发明名称	Pyrazolone azo dyestuffs
摘要
申请公布号	US2134035(A)	申请公布日期	1938.10.25
申请号	US19360057767	申请日期	1936.01.06
申请人	CELANESE CORPORATION OF AMERICA	发明人	ELLIS GEORGE HOLLAND
分类号		主分类号
代理机构		代理人
主权项
地址

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