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71.发明授权
公开(公告)号：US2791540A
公开(公告)日：1957-05-07
申请号：US47190354
申请日：1954-11-29
Applicant: EXXON RESEARCH ENGINEERING CO
Inventor： KIMBERLIN JR CHARLES NEWTON , BURGESS MASON RALPH
IPC: C10G25/00
CPC classification number: C10G25/003
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