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发明名称
Improvements in and relating to metal cutting tools
摘要
申请公布号
GB655251(A)
申请公布日期
1951.07.18
申请号
GB19470008859
申请日期
1947.04.01
申请人
NATIONAL BROACH AND MACHINE CO.
发明人
分类号
B23D1/18;B23D13/00;B23F5/14
主分类号
B23D1/18
代理机构
代理人
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