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公开(公告)号：US2108329A
公开(公告)日：1938-02-15
申请号：US14163537
申请日：1937-05-10
Applicant: CARTER BURTON D
Inventor： CARTER BURTON D
CPC classification number: B60C3/06 , B60B21/02 , B60B21/10 , B60C15/0236 , Y10S152/06 , Y10T152/10126 , Y10T152/10639
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