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发明名称
Apparatus for cleaning and loading grain
摘要
申请公布号
US1868237(A)
申请公布日期
1932.07.19
申请号
US19290387218
申请日期
1929.08.20
申请人
JUDSON RUSSELL V
发明人
JUDSON RUSSELL V.
分类号
B02B1/02
主分类号
B02B1/02
代理机构
代理人
主权项
地址
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