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发明名称
Improvements in or relating to boring bars
摘要
申请公布号
GB571491(A)
申请公布日期
1945.08.27
申请号
GB19440002997
申请日期
1944.02.17
申请人
EDGAR DALE BALL;FREDERICK GEORGE TAYLOR
发明人
分类号
B23B29/034
主分类号
B23B29/034
代理机构
代理人
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