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发明名称
Improvements in and relating to rotary cutting tools
摘要
申请公布号
GB520213(A)
申请公布日期
1940.04.17
申请号
GB19380034877
申请日期
1938.11.30
申请人
REGINALD FREDERICK KNOWLSON
发明人
分类号
B23B51/02
主分类号
B23B51/02
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代理人
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