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发明名称
Road working apparatus
摘要
申请公布号
US1986147(A)
申请公布日期
1935.01.01
申请号
US19300484366
申请日期
1930.09.25
申请人
CATERPILLAR TRACTOR CO.
发明人
GUSTAFSON CARL A.
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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