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公开(公告)号：US3262890A
公开(公告)日：1966-07-26
申请号：US6055260
申请日：1960-10-05
Applicant: UNION CARBIDE CORP
Inventor： MITCHELL WILLIAM J , RAAB VINCENT C
IPC: B01J20/18
CPC classification number: B01J20/183 , Y10S210/07
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