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发明名称
FEEDING SYSTEM FOR PRIVATE LINE INTERFACE OF LOOP DIAL SYSTEM FOR KEY TELEPHONE SET
摘要
申请公布号
JPH02224595(A)
申请公布日期
1990.09.06
申请号
JP19890046126
申请日期
1989.02.27
申请人
NEC CORP
发明人
KOBAYASHI YOSHIKAZU
分类号
H04Q3/58
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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