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发明名称
SEMIPERMEABLE MEMBRANES
摘要
申请公布号
US3628669(A)
申请公布日期
1971.12.21
申请号
USD3628669
申请日期
1969.12.22
申请人
OWENS-CORNING FIBERGLAS CORP.
发明人
CHARLES L. MCKINNIS;CHARLES I. COHEN
分类号
B01D71/02;(IPC1-7):B01D39/20;B01D31/00
主分类号
B01D71/02
代理机构
代理人
主权项
地址
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