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发明名称
ISDN BASIC ACCESS SUBSCRIBER TERMINAL EQUIPMENT
摘要
申请公布号
JPH031639(A)
申请公布日期
1991.01.08
申请号
JP19890136705
申请日期
1989.05.29
申请人
NEC CORP
发明人
HISAMATSU HIDENORI
分类号
H04M1/00;H04L29/12;H04M1/253;H04Q5/00
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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