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发明名称
Bolt or stud tightener
摘要
申请公布号
US2562831(A)
申请公布日期
1951.07.31
申请号
US19460709201
申请日期
1946.11.12
申请人
GEROTOR MAY CORPORATION
发明人
STONE ALBERT RIVINGTON
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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