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发明名称
Self-centering chuck
摘要
申请公布号
US2765176(A)
申请公布日期
1956.10.02
申请号
US19540457638
申请日期
1954.09.22
申请人
JOHN HAYWARD ALBERT
发明人
HAYWARD ALBERT JOHN
分类号
B23B31/163;B23B31/36
主分类号
B23B31/163
代理机构
代理人
主权项
地址
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