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公开(公告)号：US2579601A
公开(公告)日：1951-12-25
申请号：US17983650
申请日：1950-08-16
Applicant: SHELL DEV
Inventor： NELSON CHARLES R , TAYLOR MARLON A D , DAVIDSON DONALD D , PETERS LESLIE M
IPC: C07C29/08
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