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公开(公告)号：US2913034A
公开(公告)日：1959-11-17
申请号：US51306355
申请日：1955-06-03
Applicant: DU PONT
Inventor： CARTER WALL WILLIAM
IPC: B60C5/16
CPC classification number: B60C5/16 , Y10S152/09 , Y10T152/10738
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