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经营范围
发明名称
LOGARITHMIC AMPLIFIER
摘要
申请公布号
GB8805669(D0)
申请公布日期
1988.04.07
申请号
GB19880005669
申请日期
1988.03.10
申请人
ERA PATENTS LTD
发明人
分类号
G06G7/24
主分类号
G06G7/24
代理机构
代理人
主权项
地址
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