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公开(公告)号：US3418257A
公开(公告)日：1968-12-24
申请号：US48473665
申请日：1965-09-02
Applicant: UNION CARBIDE CORP
Inventor： ROBERT MULLER KARL , RABO JULE A , KASAI PAUL H
IPC: B01J20/18
CPC classification number: B01J20/186
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