Improvements in or relating to the production of derivatives of urea,申请号GB19380036719-传众专利搜索

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发明名称	Improvements in or relating to the production of derivatives of urea
摘要
申请公布号	GB522643(A)	申请公布日期	1940.06.24
申请号	GB19380036719	申请日期	1938.12.16
申请人	E. I. DU PONT DE NEMOURS AND CO.	发明人
分类号	C07C273/18;C07C275/10	主分类号	C07C273/18
代理机构		代理人
主权项
地址

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