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1.发明授权Liquid purifier having cation exchangers communicating selectively with anion exchangers 失效具有阳离子交换器的液体净化器选择性地与阴离子交换器连通
公开(公告)号：US2422821A
公开(公告)日：1947-06-24
申请号：US54614144
申请日：1944-07-22
Applicant: DORR CO
Inventor： BHOOTA BABOOBHAI V
IPC: B01J49/00
CPC classification number: B01J49/08
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