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发明名称
ECHO CONTROLLER
摘要
申请公布号
JPH0263225(A)
申请公布日期
1990.03.02
申请号
JP19880213553
申请日期
1988.08.30
申请人
NEC CORP
发明人
MARUYAMA TADASUKE
分类号
H04B3/23
主分类号
H04B3/23
代理机构
代理人
主权项
地址
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