Perfectionnements aux vannes utilisées dans les canalisations de fluides
申请公布号:FR1408899(A)
申请号:FR19640981238
申请日期:1964.07.09
申请公布日期:1965.08.20
发明人:GRANGEON JACQUES;GOUDAL PHILIPPE
分类号:F16K49/00
主分类号:F16K49/00
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