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发明名称
Montage amplifier
摘要
申请公布号
US2723307(A)
申请公布日期
1955.11.08
申请号
US19530394966
申请日期
1953.11.30
申请人
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
发明人
BARACKET ALBERT J.;JR. THOMAS M. MAXWELL,;NUMRICH FRED H.
分类号
H04N5/265
主分类号
H04N5/265
代理机构
代理人
主权项
地址
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