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经营范围
发明名称
Procédé de préparation de polycétones et polysulfones aromatiques
摘要
申请公布号
FR1492379(A)
申请公布日期
1967.08.18
申请号
FR19660072092
申请日期
1966.08.04
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
分类号
C08G61/12;C08G75/20
主分类号
C08G61/12
代理机构
代理人
主权项
地址
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