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经营范围
发明名称
SUPERVISORY INFORMATION TRANSMITTING SYSTEM
摘要
申请公布号
JPH02149044(A)
申请公布日期
1990.06.07
申请号
JP19880300739
申请日期
1988.11.30
申请人
NEC CORP
发明人
KAWAMURA YOJI
分类号
H04L29/14;H04L12/42
主分类号
H04L29/14
代理机构
代理人
主权项
地址
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