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发明名称
Selective gas permeation membranes and method of manufacturing them
摘要
申请公布号
US4919694(A)
申请公布日期
1990.04.24
申请号
US19880290342
申请日期
1988.12.27
申请人
IDEMITSU KOSAN COMPANY LIMITED
发明人
HATA, YASUO;TAKAHASHI, KENKICHI
分类号
B01D67/00;B01D71/02
主分类号
B01D67/00
代理机构
代理人
主权项
地址
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