Preparation of choline chloride,申请号US19460668019-传众专利搜索

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发明名称	Preparation of choline chloride
摘要
申请公布号	US2457226(A)	申请公布日期	1948.12.28
申请号	US19460668019	申请日期	1946.05.07
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	GRESHAM WILLIAM F.
分类号	C07C215/40	主分类号	C07C215/40
代理机构		代理人
主权项
地址

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