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公开(公告)号：US2481092A
公开(公告)日：1949-09-06
申请号：US61165045
申请日：1945-08-20
Applicant: SHELL DEV
Inventor： DUNN CLARENCE L , SOUDERS JR MOTT , CORNELIUS GROOT
CPC classification number: C07D499/00 , Y10S159/11
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