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公开(公告)号：US3239331A
公开(公告)日：1966-03-08
申请号：US45355765
申请日：1965-04-27
Applicant: UNION CARBIDE CORP
Inventor： MENK JAMES H , POWERS JOHN B
IPC: C21B5/00
CPC classification number: C21B5/001
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