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发明名称
QUADROPHONIC DECODER SYSTEM
摘要
申请公布号
PL111281(B1)
申请公布日期
1980.08.30
申请号
PL19770203011
申请日期
1977.12.14
申请人
发明人
分类号
H03D;H03H;H04H20/88;H04R5/04;(IPC1-7):04H5/00
主分类号
H03D
代理机构
代理人
主权项
地址
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