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发明名称
Signaleinrichtung fuer batteriegespeiste elektrische Weckeruhren
摘要
申请公布号
DE1938631(A1)
申请公布日期
1971.02.11
申请号
DE19691938631
申请日期
1969.07.30
申请人
FA. DIEHL
发明人
GERUM,ERICH
分类号
G04C21/28
主分类号
G04C21/28
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代理人
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