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1.发明授权
公开(公告)号：US2599558A
公开(公告)日：1952-06-10
申请号：US77614447
申请日：1947-09-25
Applicant: IONICS
Inventor： WALTER JUDA , MORRIS CARRON
IPC: B01J49/00
CPC classification number: B01J49/07
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