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发明名称
Nueva pieza de yeso para tabiques
摘要
申请公布号
ES55764(Y)
申请公布日期
1957.04.16
申请号
ES19640000557U
申请日期
1956.08.21
申请人
PATRONATO JUAN DE LA CIERVA DE INVESTIGACIÓN TÉCNICA
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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