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公开(公告)号：US1618708A
公开(公告)日：1927-02-22
申请号：US6547625
申请日：1925-10-28
Applicant: CHARLES HOAR
Inventor： CHARLES HOAR
CPC classification number: C10M5/00 , C10M2201/00 , C10M2201/02 , C10M2201/041 , C10M2201/042 , C10M2201/061 , C10M2201/062 , C10M2201/16 , C10M2201/18 , C10N2240/02 , C10N2250/10
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