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发明名称
SUBSCRIBER'S D-CHANNEL COMMUNICATION SYSTEM
摘要
申请公布号
JPH01158843(A)
申请公布日期
1989.06.21
申请号
JP19870317970
申请日期
1987.12.15
申请人
NEC CORP
发明人
HISAMATSU HIDENORI;IWASAKI SUSUMU
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