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发明名称
Improvements in or relating to potato diggers
摘要
申请公布号
GB642578(A)
申请公布日期
1950.09.06
申请号
GB19480026747
申请日期
1947.12.20
申请人
NILS VICTOR NILSSON
发明人
分类号
A01D17/02
主分类号
A01D17/02
代理机构
代理人
主权项
地址
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