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经营范围
发明名称
BACKUP SWITCHING SYSTEM
摘要
申请公布号
JPH03232397(A)
申请公布日期
1991.10.16
申请号
JP19900027107
申请日期
1990.02.08
申请人
TOSHIBA CORP
发明人
KIGAI YUKI
分类号
H04Q9/00
主分类号
H04Q9/00
代理机构
代理人
主权项
地址
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