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经营范围
发明名称
Nouveaux polybenzoxazols
摘要
申请公布号
FR1161261(A)
申请公布日期
1958.08.25
申请号
FRD1161261
申请日期
1956.10.27
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
分类号
C08G73/22
主分类号
C08G73/22
代理机构
代理人
主权项
地址
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