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发明名称
Adjustable wrench
摘要
An open-end wrench, which is self-adjusting and ratcheting, clamps at least four side surfaces of a nut or bolt head, and is adjustable to fit a range of sizes.
申请公布号
US6151996(A)
申请公布日期
2000.11.28
申请号
US19990338108
申请日期
1999.06.23
申请人
WHITEFORD, CARLTON L.
发明人
WHITEFORD, CARLTON L.
分类号
B25B13/12;B25B13/46;(IPC1-7):B25B13/12
主分类号
B25B13/12
代理机构
代理人
主权项
地址
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