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发明名称
Keys for drill chucks
摘要
A key for a drill chuck, the key including a geared head part connected to a separately formed handle part of machined, forged, cast or moulded form.
申请公布号
US4186933(A)
申请公布日期
1980.02.05
申请号
US19780923975
申请日期
1978.07.12
申请人
JACOBS MFG CO LTD
发明人
DERBYSHIRE, GEORGE C
分类号
B23B45/00;B25B33/00;B25G1/10;(IPC1-7):B25B13/44
主分类号
B23B45/00
代理机构
代理人
主权项
地址
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