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发明名称
QUADRUPHONIC RECORDING AND REPRODUCING SYSTEM
摘要
申请公布号
IL37418(D0)
申请公布日期
1971.11.29
申请号
IL19710037418
申请日期
1971.08.01
申请人
COLUMBIA BROADCASTING SYST INC
发明人
分类号
G11B3/00;G11B3/74;H03F3/68;H04R5/04;H04W84/00
主分类号
G11B3/00
代理机构
代理人
主权项
地址
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