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经营范围
发明名称
FRAME RELAY SYSTEM
摘要
申请公布号
JPH04111643(A)
申请公布日期
1992.04.13
申请号
JP19900229795
申请日期
1990.08.31
申请人
TOSHIBA CORP;NIPPON TELEGR & TELEPH CORP <NTT>
发明人
YOSHIDA SHINICHIRO;FUJII HIDEKI
分类号
H04L12/42
主分类号
H04L12/42
代理机构
代理人
主权项
地址
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