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经营范围
发明名称
DATA TRANSMISSION CIRCUIT SYSTEM
摘要
申请公布号
JPH03157037(A)
申请公布日期
1991.07.05
申请号
JP19890294890
申请日期
1989.11.15
申请人
NEC CORP
发明人
TSUZUKI KAZUO
分类号
H04L29/08
主分类号
H04L29/08
代理机构
代理人
主权项
地址
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