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发明名称
Portable battery-energized screw driver
摘要
申请公布号
US2979089(A)
申请公布日期
1961.04.11
申请号
US19590807133
申请日期
1959.04.17
申请人
HANNS FICKERT;RICHARD WENNINGER
发明人
PIESKER RICHARD
分类号
B25B21/00
主分类号
B25B21/00
代理机构
代理人
主权项
地址
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