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发明名称
Vacuum pump
摘要
申请公布号
US4878813(A)
申请公布日期
1989.11.07
申请号
US19880165719
申请日期
1988.03.09
申请人
SEIKI SEIKI KABUSHIKI KAISHA
发明人
MIKI, MASAHARU
分类号
F04D19/04;F04D25/02
主分类号
F04D19/04
代理机构
代理人
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