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发明名称
Improvements in drill sleeves for twist drills and the like
摘要
申请公布号
GB903088(A)
申请公布日期
1962.08.09
申请号
GB19580001599
申请日期
1958.01.16
申请人
FRANK GUYLEE & SON, LIMITED
发明人
DERBYSHIRE GEORGE CECIL
分类号
B23B51/12
主分类号
B23B51/12
代理机构
代理人
主权项
地址
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