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发明名称
Perfectionnement aux pompes à vide rotatives, à joint d'huile et à plusieurs étages
摘要
申请公布号
FR1305485(A)
申请公布日期
1962.10.05
申请号
FR19610869758
申请日期
1961.08.01
申请人
SOCIETE ALSACIENNE D'ELECTRONIQUE ET DE MECANIQUE APPLIQUEES
发明人
MAURICE LOUIS
分类号
F04C25/00;F04C27/02
主分类号
F04C25/00
代理机构
代理人
主权项
地址
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