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发明名称
Hopper construction
摘要
申请公布号
US2159659(A)
申请公布日期
1939.05.23
申请号
US19360108002
申请日期
1936.10.28
申请人
INTERNATIONAL HARVESTER COMPANY
发明人
JOHNSON ARNOLD E. W.;KRIEGBAUM GEORGE M.
分类号
A01C15/00
主分类号
A01C15/00
代理机构
代理人
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地址
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