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公开(公告)号：US1453351A
公开(公告)日：1923-05-01
申请号：US38373020
申请日：1920-05-24
Applicant: HAUPT HARRY R
Inventor： HAUPT HARRY R
IPC: B60C5/18
CPC classification number: B60C5/18 , Y10T152/10549
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