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经营范围
发明名称
S INTERNAL CIRCUIT FOR ISDN TERMINAL EQUIPMENT
摘要
申请公布号
JPH02250537(A)
申请公布日期
1990.10.08
申请号
JP19890073328
申请日期
1989.03.24
申请人
NEC COMMUN SYST LTD
发明人
HIRAIDE SATOSHI
分类号
H04L12/40
主分类号
H04L12/40
代理机构
代理人
主权项
地址
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