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发明名称
Discharge control for paving machines
摘要
申请公布号
US2073770(A)
申请公布日期
1937.03.16
申请号
US19310530653
申请日期
1931.04.16
申请人
WAGNER CHARLES H
发明人
WAGNER CHARLES H.
分类号
E01C19/47
主分类号
E01C19/47
代理机构
代理人
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