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发明名称
VIGA DE HORMIGON PRETENSADA PERFECCIONADA, APLICABLE EN CONSTRUCCION.
摘要
申请公布号
ES242857(Y)
申请公布日期
1980.07.16
申请号
ES19570002428U
申请日期
1979.04.24
申请人
CASTRO DIAZ JOSE
发明人
分类号
E04C3/26;(IPC1-7):04C3/26
主分类号
E04C3/26
代理机构
代理人
主权项
地址
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