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公开(公告)号：US2847296A
公开(公告)日：1958-08-12
申请号：US42937454
申请日：1954-05-12
Applicant: UNION CARBIDE CORP
Inventor： HILTY DONALD C , CRAYTON PHILIP H , DARBY JOHN J
IPC: C21C7/06
CPC classification number: C21C7/06
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