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发明名称
Means for planing and grading road surfaces
摘要
申请公布号
US1952452(A)
申请公布日期
1934.03.27
申请号
US19280304100
申请日期
1928.09.05
申请人
MONROE HARRY E
发明人
MONROE HARRY E.
分类号
E01C23/082;E01C23/14
主分类号
E01C23/082
代理机构
代理人
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