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公开(公告)号：US1425073A
公开(公告)日：1922-08-08
申请号：US31237719
申请日：1919-07-21
Applicant: BEEMAN TRACTOR COMPANY
Inventor： BEEMAN EDWIN R
IPC: B60B15/02
CPC classification number: B60B15/02 , B60B15/025 , B60B2360/10 , B60Y2200/20
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公开(公告)号：US1419605A
公开(公告)日：1922-06-13
申请号：US43625821
申请日：1921-01-10
Applicant: BEEMAN TRACTOR COMPANY
Inventor： BEEMAN EDWIN R
IPC: B62D51/00
CPC classification number: B62D51/001
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