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经营范围
发明名称
Road scraper
摘要
申请公布号
US2078501(A)
申请公布日期
1937.04.27
申请号
US19350051774
申请日期
1935.11.27
申请人
THE HEIL CO.
发明人
MALOON EARL B.
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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