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发明名称
PERFECCIONAMIENTOS EN LAS MáQUINAS SOLDADORAS AUTOMáTICAS DE TUBO DE HIERRO POR PROCEDIMIENTO AUToGENO OXIACETILÉNICO Y ELÉCTRICO SIN APORTACIoN DE MATERIAL
摘要
申请公布号
ES205671(A1)
申请公布日期
1953.11.16
申请号
ES19710002056
申请日期
1952.10.06
申请人
SOLANS ANDRES, FRANCISCO
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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