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发明名称
SUB-SOILING APPARATUS
摘要
申请公布号
GB8721816(D0)
申请公布日期
1987.10.21
申请号
GB19870021816
申请日期
1987.09.16
申请人
HARDING, P
发明人
分类号
A01B15/02
主分类号
A01B15/02
代理机构
代理人
主权项
地址
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