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发明名称
PERFECCIONAMIENTOS EN LOS DISPOSITIVOS PARA EL PRETENSADO DEVARILLAS EN HORMIGON ARMADO.
摘要
申请公布号
ES430478(A1)
申请公布日期
1977.01.16
申请号
ES19780004304
申请日期
1974.09.27
申请人
PLAXATS OLLE SALVADOR
发明人
分类号
E04G;(IPC1-7):04G/
主分类号
E04G
代理机构
代理人
主权项
地址
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