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发明名称
UN DISPOSITIVO EMPLEAR EN COMBINACIoN CON VARILLAS HELICOIDALES DE ARMADURA Y CON UN CABLE ENCERRADO PARCIALMENTE POR LAS MISMAS
摘要
申请公布号
ES231223(A1)
申请公布日期
1957.04.16
申请号
ES19230002312
申请日期
1956.10.08
申请人
PETERSON, THOMAS FRANKLIN
发明人
分类号
(IPC1-7):F16
主分类号
(IPC1-7):F16
代理机构
代理人
主权项
地址
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