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发明名称
摘要
申请公布号
JPS5927666(U)
申请公布日期
1984.02.21
申请号
JP19820122287U
申请日期
1982.08.13
申请人
发明人
分类号
H04L1/22;H04L1/18;H04N1/32;(IPC1-7):H04N1/32
主分类号
H04L1/22
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