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公开(公告)号：US2486693A
公开(公告)日：1949-11-01
申请号：US43448
申请日：1948-01-03
Applicant: SHELL DEV
Inventor： SPIJKER PETER VAN T , ALFRED SHERRED JOHN
IPC: C07C29/16
CPC classification number: C07C29/16 , C07C31/125
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