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发明名称
Two-channel stereo system with derived center channel
摘要
申请公布号
US3417203(A)
申请公布日期
1968.12.17
申请号
US19650447705
申请日期
1965.04.13
申请人
DYNACO, INC.
发明人
HAFLER DAVID
分类号
H04S3/00
主分类号
H04S3/00
代理机构
代理人
主权项
地址
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