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发明名称
Sugar beet topper
摘要
申请公布号
US2369850(A)
申请公布日期
1945.02.20
申请号
US19430491761
申请日期
1943.06.22
申请人
UNITED STATES BEET SUGAR ASSOCIATION
发明人
POWERS JOHN B.
分类号
A01D23/02
主分类号
A01D23/02
代理机构
代理人
主权项
地址
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