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发明名称
CLAPET ANTI-RETOUR
摘要
申请公布号
FR2447506(B1)
申请公布日期
1985.05.31
申请号
FR19790002060
申请日期
1979.01.26
申请人
ALSTHOM ATLANTIQUE
发明人
分类号
F16K15/08;F16K15/10;(IPC1-7):F16K15/06
主分类号
F16K15/08
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代理人
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