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发明名称
PERMEATION MODIFIED ASYMMETRIC GAS SEPARATION MEMBRANES HAVING GRADED DENSITY SKINS
摘要
申请公布号
EP0257011(A3)
申请公布日期
1989.03.15
申请号
EP19870870112
申请日期
1987.08.12
申请人
PERMEA, INC.
发明人
MURPHY, MILTON KEITH
分类号
B01D53/22;B01D67/00;B01D69/12;(IPC1-7):B01D13/04
主分类号
B01D53/22
代理机构
代理人
主权项
地址
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