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发明名称
ASYMMETRIC SEMIPERMEABLE MEMBRANES OF POLYBENZ-1,3-OXAZINE DIONES-(2,4)
摘要
申请公布号
GB1496816(A)
申请公布日期
1978.01.05
申请号
GB19750015853
申请日期
1975.04.17
申请人
BAYER AG
发明人
分类号
C08J5/18;B01D71/62;B01D71/66;C08G73/06;C08J9/26;(IPC1-7):C08G73/06;B29D27/04
主分类号
C08J5/18
代理机构
代理人
主权项
地址
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