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发明名称
Improved apparatus for monitoring the tuning condition of television receivers
摘要
申请公布号
GB827075(A)
申请公布日期
1960.02.03
申请号
GB19550033906
申请日期
1955.11.25
申请人
A. C. NIELSEN COMPANY LIMITED
发明人
RAHMEL HENRY ARNOLD
分类号
H04H60/32
主分类号
H04H60/32
代理机构
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