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经营范围
发明名称
An improved air ionizer
摘要
申请公布号
PHUM6953(Z)
申请公布日期
1990.02.09
申请号
PHUM10602U
申请日期
1988.10.18
申请人
发明人
分类号
A61L2/00;(IPC1-7):A61L2/00
主分类号
A61L2/00
代理机构
代理人
主权项
地址
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