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发明名称
AVVISATORE ACUSTICO ELETTROMAGNETI CO A CORRENTE ALTERNATA
摘要
申请公布号
IT7953351(V0)
申请公布日期
1979.06.21
申请号
IT19790053351U
申请日期
1979.06.21
申请人
EFEL S.P.A.
发明人
分类号
G08B;(IPC1-7):G08B/
主分类号
G08B
代理机构
代理人
主权项
地址
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