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经营范围
发明名称
Manufacture and purification of urea derivatives
摘要
申请公布号
US2257717(A)
申请公布日期
1941.09.30
申请号
US19410384951
申请日期
1941.03.24
申请人
SHARPIES CHEMICALS INC.
发明人
OLIN JOHN F.
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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