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发明名称
PERFECCIONAMIENTOS INTRODUCIDOS EN UNA VALVULA DE INTERCEP- TACION PARA FLUIDOS EN GENERAL.
摘要
申请公布号
ES446141(A3)
申请公布日期
1977.06.01
申请号
ES19410004461
申请日期
1976.03.17
申请人
CALOBRI, S. R. L.
发明人
分类号
F16K;(IPC1-7):16K/
主分类号
F16K
代理机构
代理人
主权项
地址
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