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发明名称
Improvements in reversible ploughs
摘要
申请公布号
GB802368(A)
申请公布日期
1958.10.01
申请号
GB19530025198
申请日期
1953.09.11
申请人
RALPH MARKWELL TURNER
发明人
分类号
A01B5/14
主分类号
A01B5/14
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代理人
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