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发明名称
Attenuation Measuring Device
摘要
申请公布号
GB1157207(A)
申请公布日期
1969.07.02
申请号
GB19670030678
申请日期
1967.07.04
申请人
PHILIPS ELECTRONIC AND ASSOCIATED INDUSTRIES LIMITED
发明人
分类号
H04B3/48
主分类号
H04B3/48
代理机构
代理人
主权项
地址
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