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发明名称
TEMPERING METHOD FOR A SCREW-TYPE VACUUM PUMP
摘要
申请公布号
EP1444441(A1)
申请公布日期
2004.08.11
申请号
EP20020790311
申请日期
2002.10.30
申请人
LEYBOLD VAKUUM GMBH
发明人
KRIEHN, HARTMUT;ROFALL, KLAUS;BEHLING, MANFRED
分类号
F04C25/02;F04C18/08;F04C18/16;F04C23/00;F04C28/00;F04C29/04;(IPC1-7):F04C18/16;F04C29/10
主分类号
F04C25/02
代理机构
代理人
主权项
地址
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