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公开(公告)号：US2259862A
公开(公告)日：1941-10-21
申请号：US23655438
申请日：1938-10-22
Applicant: SHELL DEV
Inventor： RUYS JAN D , BOUWE BOLGER
CPC classification number: C07C9/16 , C07C4/10 , Y10S585/905 , C07C9/21
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