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发明名称
Curb-crossing apparatus
摘要
A curb crossing apparatus having a pivot member and a ramp member for preventing damage to a curb and equipment upon the equipment's transport between a street and elevated subgrade.
申请公布号
US5836028(A)
申请公布日期
1998.11.17
申请号
US19960724066
申请日期
1996.09.30
申请人
PETERSEN, GUNNER
发明人
PETERSEN, GUNNER
分类号
E01C11/22;(IPC1-7):E01D15/12
主分类号
E01C11/22
代理机构
代理人
主权项
地址
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