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经营范围
发明名称
Polymeric material
摘要
申请公布号
US2238640(A)
申请公布日期
1941.04.15
申请号
US19390270660
申请日期
1939.04.28
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
HANFORD WILLIAM E.
分类号
C08G8/38;C08G69/50;C08L77/00
主分类号
C08G8/38
代理机构
代理人
主权项
地址
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