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1.发明授权
公开(公告)号：US3006940A
公开(公告)日：1961-10-31
申请号：US56997556
申请日：1956-03-07
Applicant: UNION CARBIDE CORP
Inventor： OTTO FISCHER ERNST , HANS-OTMAR STAHL
CPC classification number: B01J31/2295 , B01J31/20 , B01J2231/30 , B01J2531/60 , C07F17/00 , C10L1/30
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