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经营范围
发明名称
CHANNEL SWITCHING CONTROL CIRCUIT
摘要
申请公布号
JPH1168688(A)
申请公布日期
1999.03.09
申请号
JP19970219461
申请日期
1997.08.14
申请人
NEC CORP
发明人
SHIONOIRI KENICHI
分类号
H04L1/22;H04B1/74;H04J3/00;H04L29/14;(IPC1-7):H04J3/00
主分类号
H04L1/22
代理机构
代理人
主权项
地址
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