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发明名称
DRILLING CHUCK
摘要
申请公布号
GB8826571(D0)
申请公布日期
1988.12.21
申请号
GB19880026571
申请日期
1988.11.14
申请人
ROHM, G H
发明人
分类号
B23B31/12;(IPC1-7):B23B31/04
主分类号
B23B31/12
代理机构
代理人
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