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发明名称
ACOUSTIC TELETEXT OUTPUT DEVICE, ACOUSTIC TELETEXT ENTRY DEVICE AND ACOUSTIC TELETEXT INPUT/OUTPUT DEVICE
摘要
申请公布号
JPH10341286(A)
申请公布日期
1998.12.22
申请号
JP19970151033
申请日期
1997.06.09
申请人
SONY CORP
发明人
WATANABE KOICHIRO
分类号
H04N7/025;H04B7/26;H04M11/00;H04M11/06;H04N7/03;H04N7/035;(IPC1-7):H04M11/00
主分类号
H04N7/025
代理机构
代理人
主权项
地址
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