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经营范围
发明名称
Grain sieve
摘要
申请公布号
US1852420(A)
申请公布日期
1932.04.05
申请号
US19300466253
申请日期
1930.07.07
申请人
LAKE HAROLD M
发明人
LAKE HAROLD M.
分类号
B07B1/04
主分类号
B07B1/04
代理机构
代理人
主权项
地址
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