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发明名称
PROCEDIMIENTO INDUSTRIAL PARA LA OBTENCION DE PLACAS DESTINADAS A LA FORMACION DE CIELOS RASOS
摘要
申请公布号
ES242957(A1)
申请公布日期
1958.10.01
申请号
ES19570002429
申请日期
1958.07.08
申请人
PREFABRICADOS DE YESO, S.A. (PREFASA)
发明人
分类号
(IPC1-7):B28B;B29
主分类号
(IPC1-7):B28B
代理机构
代理人
主权项
地址
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