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公开(公告)号：US1574277A
公开(公告)日：1926-02-23
申请号：US74360524
申请日：1924-10-14
Applicant: HENRY M GROUE
Inventor： CONROY MICHAEL T
IPC: B60C3/00
CPC classification number: B60C3/00 , Y10T152/10063 , Y10T152/10639
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