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发明名称
IMPROVEMENTS IN OR RELATING TO SUBSOILERS
摘要
申请公布号
GB1245558(A)
申请公布日期
1971.09.08
申请号
GB19700047877
申请日期
1970.10.08
申请人
PARKIN ENGINEERING LIMITED
发明人
JOHN HOWARD PARKIN
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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