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发明名称
摘要
申请公布号
JPH0262066(B2)
申请公布日期
1990.12.21
申请号
JP19830190312
申请日期
1983.10.12
申请人
NIPPON ELECTRIC CO
发明人
SENTODA JITSUO
分类号
H04L29/02;H04L13/00;H04L29/04;H04L29/10
主分类号
H04L29/02
代理机构
代理人
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