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发明名称
AUTOMATIC DIGGING DEVICE FOR ROOT CROPS EQUIPED ON TRENCHER
摘要
申请公布号
JPS5661911(A)
申请公布日期
1981.05.27
申请号
JP19790137765
申请日期
1979.10.26
申请人
KATAYAMA SEISAKUSHO
发明人
KATAYAMA KEIJIROU
分类号
E02F5/06;A01D13/00;A01D17/00;A01D19/00;E02F3/08
主分类号
E02F5/06
代理机构
代理人
主权项
地址
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