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发明名称
RECORDING & REPRODUCING SIGNAL
摘要
申请公布号
GB8430085(D0)
申请公布日期
1985.01.09
申请号
GB19840030085
申请日期
1984.11.28
申请人
GRIFFITHS, D K
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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