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发明名称
EXHAUST DEVICE BY TURBO-MOLECULAR PUMP
摘要
申请公布号
JPH02271098(A)
申请公布日期
1990.11.06
申请号
JP19890044876
申请日期
1989.02.23
申请人
JEOL LTD
发明人
ANDO ICHIRO
分类号
F04D19/04;B01J3/02
主分类号
F04D19/04
代理机构
代理人
主权项
地址
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