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公开(公告)号：US1582972A
公开(公告)日：1926-05-04
申请号：US68658324
申请日：1924-01-16
Applicant: COURTNEY JONATHAN E
Inventor： COURTNEY JONATHAN E
IPC: B60C5/20
CPC classification number: B60C5/20 , Y10T152/10612
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