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经营范围
发明名称
EMERGENCY WARNING DEVICE
摘要
申请公布号
EP0146372(A3)
申请公布日期
1988.02.17
申请号
EP19840308772
申请日期
1984.12.14
申请人
NAGAI, KYOICHI
发明人
NAGAI, KYOICHI
分类号
G08B25/08;G08B27/00;H04M11/00;H04M11/04;(IPC1-7):G08B27/00;G08B25/00
主分类号
G08B25/08
代理机构
代理人
主权项
地址
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