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经营范围
发明名称
Improvements in turbomolecular pumps
摘要
A rotary impeller for a turbomolecular pump comprises a hub and a plurality of blades attached to the hub. The blades are formed from strips of fibre or particle reinforced polymeric material.
申请公布号
GB0314692(D0)
申请公布日期
2003.07.30
申请号
GB20030014692
申请日期
2003.06.25
申请人
BOC GROUP, THE PLC
发明人
分类号
F04D19/04;F04D29/02
主分类号
F04D19/04
代理机构
代理人
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