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发明名称
PROCEDIMIENTO DE FABRICACION DE PIEZAS DE MATERIAL LIGERO PARA LA CONSTRUCCION.
摘要
申请公布号
ES445575(A1)
申请公布日期
1977.06.01
申请号
ES19750004455
申请日期
1976.02.26
申请人
VINAS PRETEL JOSE
发明人
分类号
B28B;B28C;(IPC1-7):28B/;28C/
主分类号
B28B
代理机构
代理人
主权项
地址
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