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发明名称
Hopper construction
摘要
申请公布号
US2477066(A)
申请公布日期
1949.07.26
申请号
US19470744355
申请日期
1947.04.28
申请人
KUERT
发明人
KUERT IRA J.;CRAIG BURNIE M.
分类号
B60P1/32;B60P3/16
主分类号
B60P1/32
代理机构
代理人
主权项
地址
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