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发明名称
SOUND REPRODUCTION SYSTEM
摘要
申请公布号
GB8824221(D0)
申请公布日期
1988.11.23
申请号
GB19880024221
申请日期
1988.10.15
申请人
SELLARS, G M
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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