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发明名称
Amplitude recording system utilizing saturable core reactors
摘要
申请公布号
US2730694(A)
申请公布日期
1956.01.10
申请号
US19520268785
申请日期
1952.01.29
申请人
FERRANTI LTD.
发明人
WILLIAMSON DAVID T. N.
分类号
H04L21/00
主分类号
H04L21/00
代理机构
代理人
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