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发明名称
PIEZA PREFABRICADA APLICABLE A TRABAJOS DE CONSTRUCCION.
摘要
申请公布号
ES161533(Y)
申请公布日期
1971.04.16
申请号
ES19700161533U
申请日期
1970.09.08
申请人
JULIO E LA VELA
发明人
分类号
E04C
主分类号
E04C
代理机构
代理人
主权项
地址
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