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发明名称
Corn planter
摘要
申请公布号
US1898847(A)
申请公布日期
1933.02.21
申请号
US19300437442
申请日期
1930.03.20
申请人
ORLIN NEWELL RALPH
发明人
NEWELL RALPH ORLIN
分类号
A01C7/18
主分类号
A01C7/18
代理机构
代理人
主权项
地址
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