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发明名称
Dump scoop attachment for tractors
摘要
申请公布号
US2398991(A)
申请公布日期
1946.04.23
申请号
US19440554657
申请日期
1944.09.18
申请人
ARPS CORPORATION
发明人
ARPS FREDERICK B.
分类号
E02F3/64
主分类号
E02F3/64
代理机构
代理人
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