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经营范围
发明名称
Screw driver and nut runner overload release
摘要
申请公布号
US2176928(A)
申请公布日期
1939.10.24
申请号
US19360101224
申请日期
1936.09.17
申请人
THE BLACK & DECKER MANUFACTURING COMPANY
发明人
SHORT HAROLD O.
分类号
B25B23/14
主分类号
B25B23/14
代理机构
代理人
主权项
地址
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