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发明名称
Improvements relating to collet chucks
摘要
申请公布号
GB590448(A)
申请公布日期
1947.07.17
申请号
GB19450010007
申请日期
1945.04.20
申请人
GEORGE H. ALEXANDER MACHINERY LIMITED;HENRY BENJAMIN TOBUTT
发明人
分类号
B23B31/20
主分类号
B23B31/20
代理机构
代理人
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