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经营范围
发明名称
Threading, drilling, and reaming machine
摘要
申请公布号
US2561992(A)
申请公布日期
1951.07.24
申请号
US19480027515
申请日期
1948.05.17
申请人
PRUITT HARVEY E
发明人
PRUITT HARVEY E.
分类号
B23G1/08
主分类号
B23G1/08
代理机构
代理人
主权项
地址
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