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经营范围
发明名称
Improvements in or relating to automatic screw drivers
摘要
申请公布号
GB821943(A)
申请公布日期
1959.10.14
申请号
GB19550034966
申请日期
1955.12.06
申请人
HELMUT SCHMITT
发明人
分类号
B25B23/10
主分类号
B25B23/10
代理机构
代理人
主权项
地址
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