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1.Steering mechanism for steering of the wheels of a trailer coupled to a tractor vehicle 失效
Title translation: 与拖拉机车辆相连的拖车车轮的转向转向机构公开(公告)号:US2974978A
公开(公告)日:1961-03-14
申请号:US76607758
申请日:1958-10-08
Applicant: LUDVIK ISACHSEN
Inventor: LUDVIK ISACHSEN
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公开(公告)号:US2661185A
公开(公告)日:1953-12-01
申请号:US19722850
申请日:1950-11-24
Applicant: LUDVIK ISACHSEN
Inventor: LUDVIK ISACHSEN
IPC: B60P1/48
CPC classification number: B60P1/48
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公开(公告)号:US1600635A
公开(公告)日:1926-09-21
申请号:US74270224
申请日:1924-10-09
Applicant: LUDVIK ISACHSEN
Inventor: LUDVIK ISACHSEN
IPC: B62D13/04
CPC classification number: B62D13/04
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公开(公告)号:US2661235A
公开(公告)日:1953-12-01
申请号:US23308351
申请日:1951-06-22
Applicant: LUDVIK ISACHSEN
Inventor: LUDVIK ISACHSEN
IPC: B60P3/41
CPC classification number: B60P3/41
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公开(公告)号:US1730077A
公开(公告)日:1929-10-01
申请号:US20293127
申请日:1927-07-01
Applicant: LUDVIK ISACHSEN
Inventor: LUDVIK ISACHSEN
IPC: B60D1/02
CPC classification number: B60D1/025 , B60D1/02 , B60D2001/546
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6.Device for extension of the distance between an automobile and its trailer 失效
Title translation: 用于延长汽车与其拖车之间距离的装置公开(公告)号:US1730076A
公开(公告)日:1929-10-01
申请号:US20293027
申请日:1927-07-01
Applicant: LUDVIK ISACHSEN
Inventor: LUDVIK ISACHSEN
IPC: B62D13/04
CPC classification number: B62D13/04
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