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经营范围
发明名称
Concrete spreader
摘要
申请公布号
US2583108(A)
申请公布日期
1952.01.22
申请号
US19450600170
申请日期
1945.06.18
申请人
STANDARD STEEL CORPORATION
发明人
LEWIS WILLIAM HURST
分类号
E01C19/18
主分类号
E01C19/18
代理机构
代理人
主权项
地址
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