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发明名称
Improvements in or relating to screwdrivers
摘要
申请公布号
GB820034(A)
申请公布日期
1959.09.16
申请号
GB19560030322
申请日期
1956.10.04
申请人
FREDERICK HOBBINS
发明人
分类号
B25B23/10
主分类号
B25B23/10
代理机构
代理人
主权项
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