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公开(公告)号:US2883426A
公开(公告)日:1959-04-21
申请号:US68814657
申请日:1957-10-04
Applicant: SHELL DEV
Inventor: WILLEM BRACKMAN
IPC: C07C45/38 , C07C45/39
CPC classification number: C07C45/39 , C07C45/38 , C07C47/06 , C07C47/04