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公开(公告)号：US1384134A
公开(公告)日：1921-07-12
申请号：US41579420
申请日：1920-10-09
Applicant: NORMAN JACKSON
Inventor： NORMAN JACKSON
IPC: B60C5/10
CPC classification number: B60C5/10 , Y10T152/10522
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