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发明名称
DC FREE ENCODING FOR DATA TRANSMISSION SYSTEM
摘要
申请公布号
GB1578635(A)
申请公布日期
1980.11.05
申请号
GB19770009787
申请日期
1977.03.08
申请人
AMPEX CORP
发明人
分类号
H03M5/14;G11B20/10;G11B20/14;H03M7/00;H03M7/14;H04L7/00;H04L25/48;H04L25/49;(IPC1-7):H04L25/06;H03K13/00
主分类号
H03M5/14
代理机构
代理人
主权项
地址
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