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经营范围
发明名称
COMMUNICATION SYSTEM
摘要
申请公布号
JPH01254093(A)
申请公布日期
1989.10.11
申请号
JP19880082494
申请日期
1988.04.04
申请人
NIPPON TELEGR & TELEPH CORP <NTT>;TOSHIBA CORP
发明人
OTSUKA MASAYUKI;KUMA KATSUHIKO;OKANO MICHIAKI;IWAMOTO KIMIYO
分类号
H04M3/42;H04L12/02;H04Q3/58
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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