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发明名称
Planter attachment
摘要
申请公布号
US1780587(A)
申请公布日期
1930.11.04
申请号
US19290373771
申请日期
1929.06.26
申请人
GUSTAFSON AUGUST W
发明人
GUSTAFSON AUGUST W.
分类号
A01C5/06
主分类号
A01C5/06
代理机构
代理人
主权项
地址
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