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公开(公告)号：US2970452A
公开(公告)日：1961-02-07
申请号：US80346659
申请日：1959-04-01
Applicant: UNION CARBIDE CORP
Inventor： BECKMAN JOHN H , KEMP EUGENE H
IPC: F17C9/02
CPC classification number: F17C9/02
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