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发明名称
Nueva pieza de hormigón para forjado de pisos
摘要
申请公布号
ES59452(Y)
申请公布日期
1957.12.16
申请号
ES19520000594U
申请日期
1957.04.09
申请人
ESTEVE VIZCAÍNO, JOSÉ
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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