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公开(公告)号：US1637599A
公开(公告)日：1927-08-02
申请号：US13662926
申请日：1926-09-20
Applicant: BALLEW JAMES C
Inventor： BALLEW JAMES C
IPC: B60C15/028
CPC classification number: B60C15/028 , Y10S152/09 , Y10S152/10 , Y10S152/16
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