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公开(公告)号:US2737716A
公开(公告)日:1956-03-13
申请号:US45211954
申请日:1954-08-25
Applicant: JAMES SNELL
Inventor: JAMES SNELL
IPC: A01G23/12
CPC classification number: A01G23/12
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公开(公告)号:US2942641A
公开(公告)日:1960-06-28
申请号:US78059258
申请日:1958-12-15
Applicant: JAMES SNELL
Inventor: JAMES SNELL
IPC: B60C5/00
CPC classification number: B60C5/22 , Y10T152/10603
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