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发明名称
Grain cleaning apparatus
摘要
申请公布号
US1931074(A)
申请公布日期
1933.10.17
申请号
US19300432049
申请日期
1930.02.28
申请人
EDWARD JOHNSON JOHN
发明人
JOHNSON JOHN EDWARD
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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