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发明名称
BIDIRECTIONAL CATV TRANSMISSION SYSTEM
摘要
申请公布号
JPH02116282(A)
申请公布日期
1990.04.27
申请号
JP19880268211
申请日期
1988.10.26
申请人
NEC CORP
发明人
HAMADA YASUSHI
分类号
H04N7/173
主分类号
H04N7/173
代理机构
代理人
主权项
地址
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