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发明名称
COMMUNICATION SYSTEM AND CONNUNICATING METHOD
摘要
申请公布号
JPH02122792(A)
申请公布日期
1990.05.10
申请号
JP19890252455
申请日期
1989.09.29
申请人
AMERICAN TELEPH & TELEGR CO <ATT>
发明人
TEI PII RIN
分类号
H04Q3/58;H04Q11/04
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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