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发明名称
APPARATUS FOR MEASURING VIDEO SIGNAL DECAY ON MAGNETIC TAPES
摘要
申请公布号
PL133055(B1)
申请公布日期
1985.05.31
申请号
PL19800227529
申请日期
1980.10.27
申请人
发明人
分类号
G11B;G11B27/36;H04N;H04N5/78;(IPC1-7):G11B27/36
主分类号
G11B
代理机构
代理人
主权项
地址
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