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发明名称
Improvements in electrical signal converting circuits
摘要
申请公布号
GB556762(A)
申请公布日期
1943.10.06
申请号
GB19420005157
申请日期
1942.04.17
申请人
SYLVESTER NEVILLE WATSON;THOMAS WORSWICK
发明人
分类号
H04L27/08
主分类号
H04L27/08
代理机构
代理人
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