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发明名称
Vierundzwanzigstunden-Uhr.
摘要
申请公布号
CH146601(A)
申请公布日期
1931.04.30
申请号
CHD146601
申请日期
1930.02.25
申请人
SCHLESINGER,BRUNO
发明人
SCHLESINGER,BRUNO
分类号
G04B19/20
主分类号
G04B19/20
代理机构
代理人
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