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发明名称
AUDIO INTERRUPTION CIRCUIT
摘要
申请公布号
JPS53110425(A)
申请公布日期
1978.09.27
申请号
JP19770024813
申请日期
1977.03.09
申请人
HITACHI LTD
发明人
KATOU TAKAO;SHIMIZU KEIZOU;MARUYAMA TAKESHI
分类号
H04B1/10;H04N5/21;H04N5/44;H04N5/60
主分类号
H04B1/10
代理机构
代理人
主权项
地址
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