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经营范围
发明名称
SUBSCRIBER CIRCUIT
摘要
申请公布号
JPH0340594(A)
申请公布日期
1991.02.21
申请号
JP19890176528
申请日期
1989.07.06
申请人
NEC CORP
发明人
IMOKAWA MIKIO
分类号
H04B3/06;H04B3/20;H04Q3/42
主分类号
H04B3/06
代理机构
代理人
主权项
地址
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