Extraction of dyestuffs,申请号US19250064575-传众专利搜索

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发明名称	Extraction of dyestuffs
摘要
申请公布号	US1791990(A)	申请公布日期	1931.02.10
申请号	US19250064575	申请日期	1925.10.24
申请人	THE CELANESE CORPORATION	发明人	WHITEHEAD WILLIAM
分类号	D06P5/13	主分类号	D06P5/13
代理机构		代理人
主权项
地址

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