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经营范围
发明名称
BIDIRECTIONAL CATV SYSTEM
摘要
申请公布号
JPS6473831(A)
申请公布日期
1989.03.20
申请号
JP19870230534
申请日期
1987.09.14
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
TANIGAWA YOSHIHIRO;MIZUGUCHI KEIICHI
分类号
H04N7/173;H04B3/36
主分类号
H04N7/173
代理机构
代理人
主权项
地址
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