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发明名称
Improvements in and relating to tips for plough shares
摘要
申请公布号
GB648554(A)
申请公布日期
1951.01.10
申请号
GB19480023763
申请日期
1948.09.09
申请人
HENRY WILLIAMS LIMITED;OWEN MORTON WILLIAMS
发明人
分类号
A01B15/04
主分类号
A01B15/04
代理机构
代理人
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