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发明名称
CONTROL CIRCUIT FOR VARIABLE ATTENUATOR
摘要
申请公布号
JPH03155210(A)
申请公布日期
1991.07.03
申请号
JP19890295802
申请日期
1989.11.13
申请人
NEC CORP
发明人
ISHIDA MASATOSHI
分类号
H03H7/25
主分类号
H03H7/25
代理机构
代理人
主权项
地址
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