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发明名称
Signal detection circuit
摘要
申请公布号
US2934642(A)
申请公布日期
1960.04.26
申请号
US19560626507
申请日期
1956.12.05
申请人
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
发明人
NUMRICH FRED H.
分类号
H03D1/16;H03K17/52
主分类号
H03D1/16
代理机构
代理人
主权项
地址
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