Process of obtaining purified sulphonic acids,申请号US19290404197-传众专利搜索

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发明名称	Process of obtaining purified sulphonic acids
摘要
申请公布号	US1920787(A)	申请公布日期	1933.08.01
申请号	US19290404197	申请日期	1929.11.01
申请人	THE FLINTKOTE CORPORATION	发明人	HAMMERS EDUARD JOZEF;EICHWALD EGON
分类号	C07C303/46	主分类号	C07C303/46
代理机构		代理人
主权项
地址

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