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发明名称
TURBO MOLECULAR PUMP AND ROTOR BLADE PROCESSING METHOD
摘要
申请公布号
JPH05106588(A)
申请公布日期
1993.04.27
申请号
JP19910316275
申请日期
1991.11.29
申请人
NTN CORP
发明人
YADA YUJI
分类号
F04D19/04;F04D29/02
主分类号
F04D19/04
代理机构
代理人
主权项
地址
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