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经营范围
发明名称
Combined work and tool holder
摘要
申请公布号
US2271532(A)
申请公布日期
1942.02.03
申请号
US19410387203
申请日期
1941.04.07
申请人
发明人
分类号
B23G1/48
主分类号
B23G1/48
代理机构
代理人
主权项
地址
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