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公开(公告)号：US2164686A
公开(公告)日：1939-07-04
申请号：US13884937
申请日：1937-04-24
Applicant: RAYMOND MCDEVITT FLOYD
Inventor： RAYMOND MCDEVITT FLOYD
IPC: B60C11/22
CPC classification number: B60C11/22 , Y10T152/10594
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