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发明名称
ISDN COMMUNICATION SYSTEM
摘要
申请公布号
JPH03240341(A)
申请公布日期
1991.10.25
申请号
JP19900036356
申请日期
1990.02.19
申请人
TOSHIBA CORP
发明人
OZAKI HIROYUKI
分类号
H04L29/12;H04L12/02
主分类号
H04L29/12
代理机构
代理人
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