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发明名称
Scoop attachment for tractors
摘要
申请公布号
US2443884(A)
申请公布日期
1948.06.22
申请号
US19460639918
申请日期
1946.01.09
申请人
ARPS BRUNO F
发明人
ARPS BRUNO F.
分类号
E02F3/64
主分类号
E02F3/64
代理机构
代理人
主权项
地址
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