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发明名称
PRIVATE BRANCH ELECTRONIC EXCHANGE PROVIDED WITH DATA TRANSFER MULTIPLEX FUNCTION
摘要
申请公布号
JPH03277093(A)
申请公布日期
1991.12.09
申请号
JP19900078163
申请日期
1990.03.27
申请人
NEC CORP
发明人
ITO KIYOTSUGU
分类号
H04Q3/58;H04M3/00
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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