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发明名称
Improvements relating to cutting elements
摘要
申请公布号
GB866738(A)
申请公布日期
1961.04.26
申请号
GB19570024213
申请日期
1957.07.31
申请人
CHRISTOPHER HODGSON BOOTH
发明人
分类号
B23D71/00;B23D73/00
主分类号
B23D71/00
代理机构
代理人
主权项
地址
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