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发明名称
Ground leveling attachment for cultivators
摘要
申请公布号
US2483204(A)
申请公布日期
1949.09.27
申请号
US19470784840
申请日期
1947.11.08
申请人
BETTER-BILT MANUFACTURING COMPANY
发明人
JOHNSON EARL S.;ANDERSON ALF J.
分类号
A01B35/32
主分类号
A01B35/32
代理机构
代理人
主权项
地址
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