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公开(公告)号：US1953039A
公开(公告)日：1934-03-27
申请号：US46335530
申请日：1930-06-23
Applicant: STANDARD IG CO
Inventor： BONNELL LEONARD S
IPC: C10M131/12
CPC classification number: C10M131/12 , C10M2203/10 , C10M2203/102 , C10M2203/104 , C10M2203/106 , C10M2203/108
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