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公开(公告)号：US1780315A
公开(公告)日：1930-11-04
申请号：US32021228
申请日：1928-11-17
Applicant: SCHMIDT OTTO C
Inventor： SCHMIDT OTTO C
CPC classification number: C10M5/00 , C10M2201/062 , C10M2201/063 , C10M2201/103 , C10M2205/14 , C10M2205/16 , C10M2205/17 , C10M2209/00 , C10M2209/02 , C10M2209/10 , C10N2210/01 , C10N2210/02 , C10N2240/02 , C10N2250/10
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