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发明名称
COMMUNICATION SYSTEM
摘要
申请公布号
GB1506591(A)
申请公布日期
1978.04.05
申请号
GB19750005600
申请日期
1975.02.10
申请人
HOLZ G
发明人
分类号
H04N7/10;H04N7/173;(IPC1-7):H04H9/00
主分类号
H04N7/10
代理机构
代理人
主权项
地址
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