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发明名称
ALARM CLOCK WITH DEVICE FOR AUTOMATICALLY VARYING THE INTENSITY OF THE SOUND DURING ITS OPERATION
摘要
申请公布号
CA529956(A)
申请公布日期
1956.09.04
申请号
CAD529956
申请日期
申请人
GEBRUDER JUNGHANS A.G.
发明人
JOSEF DUFFNER;HELMUT JUNGHANS
分类号
主分类号
代理机构
代理人
主权项
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