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发明名称
PERFECCIONAMIENTOS APLICADOS A LAS MAQUINAS HORMIGONERAS.
摘要
申请公布号
ES354349(A3)
申请公布日期
1969.11.01
申请号
ES19490003543
申请日期
1968.05.25
申请人
SANDA, S. L.
发明人
分类号
E01C;(IPC1-7):01C/
主分类号
E01C
代理机构
代理人
主权项
地址
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