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发明名称
MEMBRANA COMPOSITA SEMIPERMEAVEL E PROCESSO PARA PREPARAR A MESMA
摘要
申请公布号
BR7606224(A)
申请公布日期
1977.06.14
申请号
BR19760006224
申请日期
1976.09.20
申请人
UOP INC
发明人
WRASIDLO W
分类号
C01B7/07;B01D69/12;B01D71/38;B01D71/52;B01D71/60;B01D71/66;B01D71/82;C08G18/50;(IPC1-7):B01D13/04
主分类号
C01B7/07
代理机构
代理人
主权项
地址
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