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发明名称
摘要
申请公布号
JP2818230(B2)
申请公布日期
1998.10.30
申请号
JP19890322979
申请日期
1989.12.13
申请人
发明人
分类号
H04N1/32;H04L29/08;(IPC1-7):H04L29/08
主分类号
H04N1/32
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代理人
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