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经营范围
发明名称
Cultivator attachment
摘要
申请公布号
US1824170(A)
申请公布日期
1931.09.22
申请号
US19300460904
申请日期
1930.06.13
申请人
STATE OF MINNESOTA
发明人
RAMSTAD JORGEN
分类号
A01B63/26
主分类号
A01B63/26
代理机构
代理人
主权项
地址
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