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发明名称
TRANSMISSION LEVEL ADJUSTING SYSTEM FOR DATA MODULATOR AND DEMODULATOR
摘要
申请公布号
JPS6450628(A)
申请公布日期
1989.02.27
申请号
JP19870206545
申请日期
1987.08.21
申请人
NEC CORP;NEC SHIZUOKA LTD
发明人
KAMIYA TATEO;HAGIWARA MASAO
分类号
H04B3/04;H04L29/14
主分类号
H04B3/04
代理机构
代理人
主权项
地址
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