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经营范围
发明名称
Road sander
摘要
申请公布号
US2178320(A)
申请公布日期
1939.10.31
申请号
US19370122394
申请日期
1937.01.26
申请人
PETER BOGUMILL
发明人
BOGUMILL PETER
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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