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发明名称
Seeder attachment for tractors
摘要
申请公布号
US2496162(A)
申请公布日期
1950.01.31
申请号
US19460642567
申请日期
1946.01.21
申请人
HURT WILLIAM V
发明人
HURT WILLIAM V.
分类号
A01C17/00
主分类号
A01C17/00
代理机构
代理人
主权项
地址
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