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公开(公告)号:US3502429A
公开(公告)日:1970-03-24
申请号:US3502429D
申请日:1965-04-02
Applicant: IONICS
Inventor: SANDERS BURTON H
IPC: A62D9/00 , F24F3/16 , A61L9/10 , B01D53/00
CPC classification number: F24F3/16 , A62B21/00