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发明名称
Joint en caoutchouc pour vannes métalliques d'ouvrages hydrauliques
摘要
申请公布号
FR1282439(A)
申请公布日期
1962.01.19
申请号
FR19610854068
申请日期
1961.02.28
申请人
DINGLERWERKE AKTIENGESELLSCHAFT
发明人
分类号
E02B7/54
主分类号
E02B7/54
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代理人
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