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经营范围
发明名称
Improvements in or Relating to Spectrum Analysers
摘要
申请公布号
GB2067745(A)
申请公布日期
1981.07.30
申请号
GB19800000978
申请日期
1980.01.11
申请人
PLESSEY CO LTD
发明人
分类号
G01R23/17;(IPC1-7):G01R23/17
主分类号
G01R23/17
代理机构
代理人
主权项
地址
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