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发明名称
UN NUEVO PROCEDIMIENTO DE FABRICACIËN DE TUBOS DE HORMIGËN CON DUELAS PRECOMPRIMIDAS O PRETENSADAS
摘要
申请公布号
ES247653(A1)
申请公布日期
1959.06.01
申请号
ES19530002476
申请日期
1959.03.02
申请人
MUNTANOLA TEY, LUIS
发明人
分类号
B28B;(IPC1-7):B28B
主分类号
B28B
代理机构
代理人
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