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发明名称
PROCEDIMIENTO Y DISPOSITIVO PARA LA FORMACION DE ROSCAS INTERIORES SIN ARRANQUE DE VIRUTA
摘要
申请公布号
ES275423(A1)
申请公布日期
1963.01.01
申请号
ES19230002754
申请日期
1962.03.07
申请人
GROOV-PIN CORPORATION
发明人
分类号
(IPC1-7):B23
主分类号
(IPC1-7):B23
代理机构
代理人
主权项
地址
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