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发明名称
CONFERENCE CONNECTION DEVICE USING DELTA MODULATION
摘要
申请公布号
SU1107331(A1)
申请公布日期
1984.08.07
申请号
SU19813362294
申请日期
1981.12.04
申请人
RIZHSKIJ POLT INSTITUT
发明人
KOTOVICH GLEB N,SU;MENTSIS ANDRIS YA,SU;STANKE GARIJ S,SU
分类号
H04M3/56;(IPC1-7):H04M3/56
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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