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公开(公告)号：US2779381A
公开(公告)日：1957-01-29
申请号：US29985252
申请日：1952-07-19
Applicant: FIRESTONE TIRE & RUBBER CO
Inventor： CROSSAN JESSE R
IPC: B60C5/12
CPC classification number: B60C17/01 , Y10T152/10612
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