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发明名称
Adjustable cultivator foot
摘要
申请公布号
US2142455(A)
申请公布日期
1939.01.03
申请号
US19380207827
申请日期
1938.05.13
申请人
FRANK C. KIRKPATRICK
发明人
NEEDBAM VIRGIL
分类号
A01B35/22
主分类号
A01B35/22
代理机构
代理人
主权项
地址
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