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发明名称
An improved machine for draining and aerating the soil
摘要
申请公布号
GB532924(A)
申请公布日期
1941.02.03
申请号
GB19390026700
申请日期
1939.09.27
申请人
BEN MORTON;HAROLD DRAKE MORTON
发明人
分类号
E02F5/12
主分类号
E02F5/12
代理机构
代理人
主权项
地址
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