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经营范围
发明名称
Seed hopper and rotary auger feeding to auxiliary hopper
摘要
申请公布号
US2612294(A)
申请公布日期
1952.09.30
申请号
US19480019005
申请日期
1948.04.05
申请人
BJARNE E. GROTTUM
发明人
DORSCHNER IRVIN E.
分类号
A01C7/08
主分类号
A01C7/08
代理机构
代理人
主权项
地址
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