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发明名称
Plow unit
摘要
申请公布号
US2234351(A)
申请公布日期
1941.03.11
申请号
US19390277223
申请日期
1939.06.03
申请人
FRANK PEROSA
发明人
PEROSA FRANK
分类号
A01B13/14
主分类号
A01B13/14
代理机构
代理人
主权项
地址
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