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发明名称
CATV SYSTEM WITH HIGH FREQUENCY LINE EXCHANGE FUNCTION
摘要
申请公布号
JPH02131692(A)
申请公布日期
1990.05.21
申请号
JP19880286212
申请日期
1988.11.12
申请人
MASPRO DENKOH CORP
发明人
UEMURA JUN
分类号
H04N7/16;H04H20/28;H04H20/42;H04H20/77;H04H20/79;H04N7/173
主分类号
H04N7/16
代理机构
代理人
主权项
地址
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