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经营范围
发明名称
METHOD OF TESTING LOGARITHMIC AMPLIFIERS
摘要
申请公布号
GB8809866(D0)
申请公布日期
1988.06.02
申请号
GB19880009866
申请日期
1988.04.26
申请人
PLESSEY CO PLC
发明人
分类号
G01R27/28
主分类号
G01R27/28
代理机构
代理人
主权项
地址
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