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发明名称
DIGITAL I LINK RELAY EXCHANGE SYSTEM FOR VOICE CODING DEVICE
摘要
申请公布号
JPH0414357(A)
申请公布日期
1992.01.20
申请号
JP19900117090
申请日期
1990.05.07
申请人
NEC CORP;NEC ENG LTD
发明人
WAKE YASUHIRO;USU KATSUNORI
分类号
H04M7/00
主分类号
H04M7/00
代理机构
代理人
主权项
地址
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