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发明名称
Drawbar attached traction booster for towing vehicles
摘要
申请公布号
US3037791(A)
申请公布日期
1962.06.05
申请号
US19610091400
申请日期
1961.02.24
申请人
TRAVIS RALPH L
发明人
TRAVIS RALPH L.
分类号
B60D1/14
主分类号
B60D1/14
代理机构
代理人
主权项
地址
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