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发明名称
Truck grader
摘要
申请公布号
US2238389(A)
申请公布日期
1941.04.15
申请号
US19390272491
申请日期
1939.05.08
申请人
HI-WAY SERVICE CORPORATION
发明人
KERBER JOSEPH H.
分类号
E02F3/76
主分类号
E02F3/76
代理机构
代理人
主权项
地址
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