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经营范围
发明名称
AROMATIC POLYETHER SULFONES
摘要
申请公布号
GB1556489(A)
申请公布日期
1979.11.28
申请号
GB19760045887
申请日期
1976.11.04
申请人
BASF AG
发明人
分类号
C08G75/23;(IPC1-7):C08G75/23
主分类号
C08G75/23
代理机构
代理人
主权项
地址
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