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发明名称
Tractor attachment for broadcast seeders
摘要
申请公布号
US2002179(A)
申请公布日期
1935.05.21
申请号
US19330682647
申请日期
1933.07.28
申请人
HITCHCOCK CHARLES A
发明人
HITCHCOCK CHARLES A.
分类号
A01C7/08
主分类号
A01C7/08
代理机构
代理人
主权项
地址
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