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经营范围
发明名称
TURBO MOLECULAR PUMP
摘要
申请公布号
JPH02201100(A)
申请公布日期
1990.08.09
申请号
JP19890012878
申请日期
1989.01.20
申请人
NTN CORP
发明人
NAKASEKI TSUGUTO;ITO HIROYOSHI
分类号
F04D19/04
主分类号
F04D19/04
代理机构
代理人
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地址
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