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发明名称
PERFECCIONAMIENTOS INTRODUCIDOS EN VALVULAS DE COMPUERTA.
摘要
申请公布号
ES1014860(Y)
申请公布日期
1991.11.16
申请号
ES19900002339U
申请日期
1990.07.24
申请人
LIZARRAGA URRUTIA PEDRO
发明人
分类号
F16K3/10;(IPC1-7):F16K3/10
主分类号
F16K3/10
代理机构
代理人
主权项
地址
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