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经营范围
发明名称
Pipe vise having chain tightenable by torque exerted on a workpiece
摘要
申请公布号
US2903930(A)
申请公布日期
1959.09.15
申请号
US19570639716
申请日期
1957.02.12
申请人
ARVID PETERSON JOSEPH;OLSEN CARL E
发明人
PETERSON JOSEPH ARVID;OLSEN CARL E.
分类号
B25B13/52
主分类号
B25B13/52
代理机构
代理人
主权项
地址
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