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公开(公告)号：US2087205A
公开(公告)日：1937-07-13
申请号：US73118334
申请日：1934-06-18
Applicant: POLETE RALPH A
Inventor： POLETE RALPH A
CPC classification number: B60W10/18 , B60W10/04 , Y10T74/20012 , Y10T477/8941
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