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经营范围
发明名称
Self cleaning, sorting, or sifting machine
摘要
申请公布号
US1755336(A)
申请公布日期
1930.04.22
申请号
US19280252819
申请日期
1928.02.08
申请人
RYDER FRANK P
发明人
RYDER FRANK P.
分类号
A23N15/10
主分类号
A23N15/10
代理机构
代理人
主权项
地址
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