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发明名称
Improvements in or relating to screw drivers and their manufacture
摘要
申请公布号
GB673303(A)
申请公布日期
1952.06.04
申请号
GB19500017420
申请日期
1950.07.12
申请人
GUEST KEEN & NETTLEFORDS (MIDLANDS) LIMITED
发明人
CAMBERN CECIL MONTGOMERY
分类号
B25B15/00
主分类号
B25B15/00
代理机构
代理人
主权项
地址
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