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经营范围
发明名称
TWO-WAY CATV SYSTEM
摘要
申请公布号
JPH04296186(A)
申请公布日期
1992.10.20
申请号
JP19910082942
申请日期
1991.03.25
申请人
NEC CORP
发明人
NISHIMOTO NAOMASA;ISHIBASHI RYOJI
分类号
H04N7/16
主分类号
H04N7/16
代理机构
代理人
主权项
地址
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