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公开(公告)号：US2995575A
公开(公告)日：1961-08-08
申请号：US62544256
申请日：1956-11-30
Applicant: UNION CARBIDE CORP
Inventor： SCHULZ HELMUT W , ROLAND VOORHEES
IPC: C07C27/22
CPC classification number: C07C27/22
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