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发明名称
Improvements in or relating to harrows
摘要
申请公布号
GB977464(A)
申请公布日期
1964.12.09
申请号
GB19610011512
申请日期
1961.03.15
申请人
C. VAN DER LELY N.V.
发明人
分类号
A01B23/02
主分类号
A01B23/02
代理机构
代理人
主权项
地址
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