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发明名称
Road grader
摘要
申请公布号
US2229210(A)
申请公布日期
1941.01.21
申请号
US19380248440
申请日期
1938.12.30
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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