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公开(公告)号：US2891895A
公开(公告)日：1959-06-23
申请号：US40630854
申请日：1954-01-26
Applicant: EXXON RESEARCH ENGINEERING CO
Inventor： JOSEPH STEWART , KNOTH JR FREDERICK , NEIMAN PAUL E
IPC: C07C29/80
CPC classification number: C07C29/80 , C07C31/125
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