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经营范围
发明名称
High accuracy instantaneous intermediate frequency logarithmic amplifier
摘要
申请公布号
US3403347(A)
申请公布日期
1968.09.24
申请号
US19650432909
申请日期
1965.02.15
申请人
NAVY USA
发明人
JR. KEEFER S. STULL,
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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