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发明名称
MULTISTAGE VACUUM PUMP
摘要
申请公布号
JPH01247787(A)
申请公布日期
1989.10.03
申请号
JP19890036453
申请日期
1989.02.17
申请人
LEYBOLD AG
发明人
HANSUUPEETERU BERUGESU
分类号
F04C25/02;F04C23/00;F04C29/00;F04C29/12
主分类号
F04C25/02
代理机构
代理人
主权项
地址
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