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发明名称
METHOD AND DEVICE FOR FORMING A BIPOLAR SIGNAL OF DUTY CYCLE OF ONE HALF
摘要
申请公布号
GB1515772(A)
申请公布日期
1978.06.28
申请号
GB19760005149
申请日期
1976.02.10
申请人
DE TELECOMMUNICATIONS SA
发明人
分类号
H04L25/48;H04L25/49;(IPC1-7):H04L25/49
主分类号
H04L25/48
代理机构
代理人
主权项
地址
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