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发明名称
UTIL-HERRAMIENTA PARA CURVAR TUBO EN CAMARA SIN MACHO.
摘要
申请公布号
ES226792(Y)
申请公布日期
1977.08.16
申请号
ES19920002267U
申请日期
1977.03.01
申请人
发明人
分类号
B21D;(IPC1-7):21D/
主分类号
B21D
代理机构
代理人
主权项
地址
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