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公开(公告)号：US2251528A
公开(公告)日：1941-08-05
申请号：US30758639
申请日：1939-12-05
Applicant: STANDARD OIL DEV CO
Inventor： SPROULE LORNE W , HIGGINS EDMUND J
CPC classification number: C10M5/00 , C10M2205/18 , C10M2207/125 , C10M2207/129 , C10M2207/20 , C10N2210/01 , C10N2240/02 , C10N2250/10
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