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发明名称
Corn planter
摘要
申请公布号
US1839740(A)
申请公布日期
1932.01.05
申请号
US19300484194
申请日期
1930.09.24
申请人
COLMAN WILLIAM A;RANDALL FRANK E
发明人
COLMAN WILLIAM A.;RANDALL FRANK E.
分类号
A01C7/18
主分类号
A01C7/18
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代理人
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