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发明名称
Système d'étanchéité contre l'eau provenant d'interstices pour des pompes centrifuges
摘要
申请公布号
FR1059878(A)
申请公布日期
1954.03.29
申请号
FRD1059878
申请日期
1952.03.24
申请人
SOCIETE ANONYME DES USINES DE CONSTRUCTIONS MECANIQUES EHRHARDT & SEHMER
发明人
分类号
F04D29/16
主分类号
F04D29/16
代理机构
代理人
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