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发明名称
UN APARATO VALVULAR PERFECCIONADO
摘要
申请公布号
ES208755(A1)
申请公布日期
1953.06.01
申请号
ES19550002087
申请日期
1953.04.13
申请人
VILARRUBIS FERRANDO, JUAN;VILARRUBIS FERRANDO, PEDRO
发明人
分类号
(IPC1-7):F16
主分类号
(IPC1-7):F16
代理机构
代理人
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