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发明名称
Improvements in diffusion pumps
摘要
申请公布号
GB9617887(D0)
申请公布日期
1996.10.09
申请号
GB19960017887
申请日期
1996.08.28
申请人
BOC GROUP, THE PLC
发明人
分类号
F04F9/00
主分类号
F04F9/00
代理机构
代理人
主权项
地址
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