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发明名称
UN METODO DE DAR A HOJAS DE CEMENTO FIBROSO UNA CURVATURA PERMANENTE.
摘要
申请公布号
ES356412(A3)
申请公布日期
1970.04.01
申请号
ES19120003564
申请日期
1968.07.23
申请人
F. L. SMIDTH & CO. ANS.
发明人
分类号
B28B;(IPC1-7):28B/
主分类号
B28B
代理机构
代理人
主权项
地址
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