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发明名称
摘要
申请公布号
JP3098563(U)
申请公布日期
2004.03.04
申请号
JP20020004468U
申请日期
2002.06.05
申请人
发明人
分类号
G08B17/00;H04N1/40;H04N1/405;(IPC1-7):G08B17/00
主分类号
G08B17/00
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