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公开(公告)号：US1341942A
公开(公告)日：1920-06-01
申请号：US12543616
申请日：1916-10-13
Applicant: STERLING STEPHENS
Inventor： STERLING STEPHENS
IPC: B60C7/10
CPC classification number: B60C7/102 , Y10T152/10405 , Y10T152/10414
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