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发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCION DE MAQUINAS DE OBRAS PUBLICAS.
摘要
申请公布号
ES374145(A1)
申请公布日期
1971.12.16
申请号
ES19450003741
申请日期
1969.12.02
申请人
SOCIETE ANONYME POCLAIN
发明人
分类号
E02F9/12;(IPC1-7):01C/
主分类号
E02F9/12
代理机构
代理人
主权项
地址
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