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发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCIËN DE VALVULAS DE MARIPOSA
摘要
申请公布号
ES292312(A3)
申请公布日期
1964.03.01
申请号
ES19120002923
申请日期
1963.09.30
申请人
LLEAL PUIG, JOAQUIN
发明人
分类号
F16K;(IPC1-7):F16K
主分类号
F16K
代理机构
代理人
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地址
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