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发明名称
Road sander
摘要
申请公布号
US2209555(A)
申请公布日期
1940.07.30
申请号
US19390259053
申请日期
1939.02.28
申请人
BEACH FRED S;BEACH FITCH H
发明人
BEACH FRED S.;BEACH FITCH H.
分类号
E01C19/20
主分类号
E01C19/20
代理机构
代理人
主权项
地址
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