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发明名称
SYSTEM FOR CALLING OPPOSITE DESTINATION OF COMMUNICATION EQUIPMENT
摘要
申请公布号
JPH0223739(A)
申请公布日期
1990.01.25
申请号
JP19880174724
申请日期
1988.07.12
申请人
NEC CORP
发明人
NAKAGAMI TATSUYA
分类号
H04L12/02
主分类号
H04L12/02
代理机构
代理人
主权项
地址
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