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发明名称
Vortex device
摘要
申请公布号
GB9824028(D0)
申请公布日期
1998.12.30
申请号
GB19980024028
申请日期
1998.11.03
申请人
BERESFORD, DAVID
发明人
分类号
主分类号
代理机构
代理人
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