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公开(公告)号：US2714619A
公开(公告)日：1955-08-02
申请号：US23858051
申请日：1951-07-25
Applicant: SHELL DEV
Inventor： ANDEREGG ARNOLD H , MELSTROM DONALD S
IPC: C07C17/281
CPC classification number: C07C17/281
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