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发明名称
PRODUCTION OF GAS-PASSABLE MEMBRANE
摘要
申请公布号
JPH05261257(A)
申请公布日期
1993.10.12
申请号
JP19920108351
申请日期
1992.03.16
申请人
发明人
分类号
B01D67/00;B01D71/44;B01D71/70;(IPC1-7):B01D71/44
主分类号
B01D67/00
代理机构
代理人
主权项
地址
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