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公开(公告)号：US2779779A
公开(公告)日：1957-01-29
申请号：US48886355
申请日：1955-02-17
Applicant: PETROLITE CORP
Inventor： MEYERS GEORGE L , DE WALT GERALD W , KEENE LEONARD M
IPC: C10G73/36
CPC classification number: C10G73/36
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