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发明名称
SYSTEM FOR MULTI-LEVEL DATA TRANSMISSION
摘要
申请公布号
GB2044048(B)
申请公布日期
1983.04.20
申请号
GB19800007491
申请日期
1980.03.05
申请人
PHILIPS NV
发明人
分类号
H04L27/18;H04L27/20;H04L27/22;H04L27/227;(IPC1-7):H04L27/18
主分类号
H04L27/18
代理机构
代理人
主权项
地址
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