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发明名称
PERFECCIONAMIENTOS INTRODUCIDOS EN LAS VALVULAS DE CIERRE ESTANCO.
摘要
申请公布号
ES347947(A3)
申请公布日期
1969.03.16
申请号
ES19470003479
申请日期
1967.11.24
申请人
COMPANIA ANONIMA T. M. B.
发明人
分类号
F16K;(IPC1-7):F16K/
主分类号
F16K
代理机构
代理人
主权项
地址
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