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公开(公告)号：US2461147A
公开(公告)日：1949-02-08
申请号：US66470546
申请日：1946-04-24
Applicant: SHELL DEV
Inventor： DAVLES ELWYN P , EGGERTSEN FRANK T
CPC classification number: C07C5/322 , B01J23/862 , C07C5/3332 , C07C11/167
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