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经营范围
发明名称
KEY TELEPHONE SYSTEM
摘要
申请公布号
JPS6276388(A)
申请公布日期
1987.04.08
申请号
JP19850213834
申请日期
1985.09.27
申请人
NEC CORP
发明人
ANEKOJI FUMIO
分类号
H04Q3/58;H04Q1/28
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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