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发明名称
KEY TELEPHONE SYSTEM
摘要
申请公布号
JPH0614359(A)
申请公布日期
1994.01.21
申请号
JP19920171261
申请日期
1992.06.29
申请人
TOSHIBA CORP
发明人
AOKI TAKASHI
分类号
H04Q3/58;(IPC1-7):H04Q3/58
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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