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发明名称
REMOTE CONTROL SYSTEM FOR TELEPHONE EXCHANGE
摘要
申请公布号
JPH0290765(A)
申请公布日期
1990.03.30
申请号
JP19880242739
申请日期
1988.09.27
申请人
NEC CORP
发明人
YOGOSHI SHIGEO
分类号
H04M3/22;H04M3/00
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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