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发明名称
VOICE MESSAGE ANNOUNCING METHOD AND SYSTEM FOR PLANT
摘要
申请公布号
EP0258896(A3)
申请公布日期
1990.02.28
申请号
EP19870112882
申请日期
1987.09.03
申请人
HITACHI, LTD.
发明人
NIGAWARA, SEIITSU
分类号
G05B23/02;G08B3/10;G08B23/00;(IPC1-7):G08B21/00
主分类号
G05B23/02
代理机构
代理人
主权项
地址
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