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发明名称
Road-resurfacing device
摘要
申请公布号
US1744139(A)
申请公布日期
1930.01.21
申请号
US19270238904
申请日期
1927.12.09
申请人
PATTON WILLIAM J
发明人
PATTON WILLIAM J.
分类号
E02F3/815
主分类号
E02F3/815
代理机构
代理人
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