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发明名称
SEMIPERMEABLE MEMBRANES
摘要
申请公布号
US3616927(A)
申请公布日期
1971.11.02
申请号
USD3616927
申请日期
1969.03.18
申请人
NATIONAL RESEARCH DEVELOPMENT CORP.
发明人
WILLIAM MCCLEMENTS MUIR
分类号
B01D71/40;(IPC1-7):B01D39/16;B01D31/00
主分类号
B01D71/40
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代理人
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