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发明名称
Combine chaffer
摘要
申请公布号
US2649760(A)
申请公布日期
1953.08.25
申请号
US19500192018
申请日期
1950.10.25
申请人
GUSTAFSON ELMER G
发明人
GUSTAFSON ELMER G.
分类号
A01F12/44
主分类号
A01F12/44
代理机构
代理人
主权项
地址
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