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发明名称
Grain separator
摘要
申请公布号
US1980405(A)
申请公布日期
1934.11.13
申请号
US19300441086
申请日期
1930.04.02
申请人
GILBERT HAYMOND
发明人
HAYMOND GILBERT
分类号
A01F12/44
主分类号
A01F12/44
代理机构
代理人
主权项
地址
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