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经营范围
发明名称
Urea manufacture
摘要
申请公布号
US2129689(A)
申请公布日期
1938.09.13
申请号
US19360114203
申请日期
1936.12.04
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
HETHERINGTON HARRY C.
分类号
C07C273/04
主分类号
C07C273/04
代理机构
代理人
主权项
地址
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