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经营范围
发明名称
Road scarifier and scraper
摘要
申请公布号
US1829728(A)
申请公布日期
1931.11.03
申请号
US19250061920
申请日期
1925.10.12
申请人
AUSTIN MANUFACTURING CO.
发明人
BEATTY WILLIAM T.;WILSON FRED D.
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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