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发明名称
Road grading machine
摘要
申请公布号
US2074081(A)
申请公布日期
1937.03.16
申请号
US19340750693
申请日期
1934.10.30
申请人
STEPHEN BURNS JOHN
发明人
BURNS JOHN STEPHEN
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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