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发明名称
Improvements in vacuum pumps
摘要
申请公布号
GB0004404(D0)
申请公布日期
2000.04.12
申请号
GB20000004404
申请日期
2000.02.24
申请人
BOC GROUP, THE PLC
发明人
分类号
F04C18/16;F04C18/18;F04C23/00;F04C25/02
主分类号
F04C18/16
代理机构
代理人
主权项
地址
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