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发明名称
VALVULA DE MARIPOSAS.
摘要
申请公布号
ES229670(Y)
申请公布日期
1978.01.01
申请号
ES19700002296U
申请日期
1977.06.30
申请人
发明人
分类号
F16K27/02;(IPC1-7):16K/
主分类号
F16K27/02
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代理人
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