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发明名称
Elektronisch-akustische Signaleinrichtung für Uhren
摘要
申请公布号
CH920671(A4)
申请公布日期
1972.11.30
申请号
CH19710009206D
申请日期
1971.06.23
申请人
REICH,JOACHIM
发明人
REICH,JOACHIM
分类号
G04C21/02;G04C21/12;(IPC1-7):G04C21/28;G04C21/34
主分类号
G04C21/02
代理机构
代理人
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