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公开(公告)号：US2928724A
公开(公告)日：1960-03-15
申请号：US62372656
申请日：1956-11-16
Applicant: IONICS
Inventor： MASON EDWARD A , COBB CAROLUS M
IPC: C22B34/12
CPC classification number: C22B34/1222 , Y02P10/23
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