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经营范围
发明名称
Amplifier for television signals
摘要
申请公布号
US2909597(A)
申请公布日期
1959.10.20
申请号
US19550550895
申请日期
1955.12.05
申请人
MINNESOTA MINING & MANUFACTURING CO.
发明人
JOHNSON WAYNE R.
分类号
H04N5/52;H04N5/921
主分类号
H04N5/52
代理机构
代理人
主权项
地址
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