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发明名称
Beet harvester
摘要
申请公布号
US1837077(A)
申请公布日期
1931.12.15
申请号
US19300467574
申请日期
1930.07.12
申请人
FRED SIEPP
发明人
SIEPP FRED
分类号
A01D23/06
主分类号
A01D23/06
代理机构
代理人
主权项
地址
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