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发明名称
A PROCESS AND DEVICE FOR IDENTIFYING FREQUENCIES BY LOGICAL CIRCUITS
摘要
申请公布号
GB1217610(A)
申请公布日期
1970.12.31
申请号
GB19680054464
申请日期
1968.11.15
申请人
C.I.T.-COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS
发明人
分类号
H04Q1/457
主分类号
H04Q1/457
代理机构
代理人
主权项
地址
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