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发明名称
ISDN TERMINAL EQUIPMENT OPERATING WITH CIRCUIT SWITCHING MODE AND PACKET SWITCHING MODE
摘要
申请公布号
US5208806(A)
申请公布日期
1993.05.04
申请号
US19900614518
申请日期
1990.11.16
申请人
FUJITSU LIMITED
发明人
HASEGAWA, KENICHI
分类号
H04N1/00;H04L29/08;H04L29/12;H04N1/32;H04Q11/04
主分类号
H04N1/00
代理机构
代理人
主权项
地址
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