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发明名称
Grain separator
摘要
申请公布号
US2520667(A)
申请公布日期
1950.08.29
申请号
US19470722144
申请日期
1947.01.15
申请人
HENRY SIMON LIMITED
发明人
WELCH OSWALD
分类号
B07B13/02
主分类号
B07B13/02
代理机构
代理人
主权项
地址
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