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经营范围
发明名称
Cultivator attachment
摘要
申请公布号
US1953649(A)
申请公布日期
1934.04.03
申请号
US19330678842
申请日期
1933.07.03
申请人
HANSEN ALBERT F
发明人
HANSEN ALBERT F.
分类号
A01B39/18
主分类号
A01B39/18
代理机构
代理人
主权项
地址
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