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发明名称
Cultivator attachment for tractors
摘要
申请公布号
US1945882(A)
申请公布日期
1934.02.06
申请号
US19320591575
申请日期
1932.02.08
申请人
COLLINS EDGAR V
发明人
COLLINS EDGAR V.
分类号
A01B35/12
主分类号
A01B35/12
代理机构
代理人
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