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发明名称
(U1 Y2) ;PERFECCIONAMIENTOS INTRODUCIDOS EN LOS SISTEMAS DE REFRIGERACION POR AGUA EN MAQUINAS DE MINERIA
摘要
申请公布号
ES1016289(U1)
申请公布日期
1991.11.01
申请号
ES19910000303
申请日期
1991.02.01
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