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发明名称
Pompe à gaz à circuit de liquide, à plusieurs étages
摘要
申请公布号
FR1253806(A)
申请公布日期
1961.02.17
申请号
FR19570737524
申请日期
1957.04.30
申请人
发明人
SIEMEN OTTO;HINSCH JOHANNES
分类号
F04C19/00
主分类号
F04C19/00
代理机构
代理人
主权项
地址
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