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经营范围
发明名称
DRY-RUNNING TWIN-SHAFT VACUUM PUMP.
摘要
申请公布号
EP0569455(B1)
申请公布日期
1994.08.03
申请号
EP19920904222
申请日期
1992.01.31
申请人
LEYBOLD AKTIENGESELLSCHAFT
发明人
KRIEHN, HARTMUT;BRENNER, LOTHAR
分类号
F04C23/00;F04C25/00;F04C27/00;(IPC1-7):F04C27/00
主分类号
F04C23/00
代理机构
代理人
主权项
地址
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