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公开(公告)号：US2550020A
公开(公告)日：1951-04-24
申请号：US74346847
申请日：1947-04-23
Applicant: CELANESE CORP
Inventor： FINNINGLEY OXLEY HORACE , BOADEN THOMAS EDWARD , SANDHAM NICHOLS FRANK
IPC: C07C209/08
CPC classification number: C07C209/08
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