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发明名称
Concrete surfacing apparatus
摘要
申请公布号
US3220321(A)
申请公布日期
1965.11.30
申请号
US19620219890
申请日期
1962.08.28
申请人
HURST LEWIS WILLIAM
发明人
LEWIS WILLIAM HURST
分类号
E01C19/42
主分类号
E01C19/42
代理机构
代理人
主权项
地址
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