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发明名称
Improvements in vacuum pumps
摘要
申请公布号
GB9525337(D0)
申请公布日期
1996.02.14
申请号
GB19950025337
申请日期
1995.12.12
申请人
BOC GROUP, THE PLC
发明人
分类号
F04D19/04
主分类号
F04D19/04
代理机构
代理人
主权项
地址
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