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发明名称
LINE USAGE DISPLAY DEVICE FOR ISDN TERMINAL EQUIPMENT
摘要
申请公布号
JPH03154460(A)
申请公布日期
1991.07.02
申请号
JP19890292995
申请日期
1989.11.10
申请人
TOSHIBA CORP
发明人
AOKI TAKASHI
分类号
H04M1/00;H04M1/253
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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