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公开(公告)号：US1488004A
公开(公告)日：1924-03-25
申请号：US46017021
申请日：1921-04-11
Applicant: IRA J WEBSTER
Inventor： FITZ GERALD ARTHUR GROVER
IPC: B60C5/08
CPC classification number: B60C5/08 , Y10T152/10657 , Y10T152/1072
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