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1.发明授权
公开(公告)号：US2792336A
公开(公告)日：1957-05-14
申请号：US39803153
申请日：1953-12-14
Applicant: SHELL DEV
Inventor： KUBICEK NACI F , ARCHIBALD RAYMOND C
IPC: C10G69/04
CPC classification number: C10G69/04
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