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经营范围
发明名称
A radio frequency filter
摘要
申请公布号
GB0222320(D0)
申请公布日期
2002.10.30
申请号
GB20020022320
申请日期
2001.03.16
申请人
CRYOSYSTEMS LIMITED
发明人
分类号
H01P1/213
主分类号
H01P1/213
代理机构
代理人
主权项
地址
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