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公开(公告)号：US2413822A
公开(公告)日：1947-01-07
申请号：US54128444
申请日：1944-06-20
Applicant: SHELL DEV
Inventor： GEYER BRADFORD P , BALLARD SEAVER A
IPC: C07C45/71
CPC classification number: C07C45/71 , Y02P20/582 , C07C49/175
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