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发明名称
Gerät zur Ermittlung der gleichzeitig in den verschiedenen Zeitzonen der Erde herrschenden Zeit.
摘要
申请公布号
CH213272(A)
申请公布日期
1941.01.31
申请号
CHD213272
申请日期
1939.05.11
申请人
KNOEPFLER,ALOIS
发明人
KNOEPFLER,ALOIS
分类号
G09B29/14
主分类号
G09B29/14
代理机构
代理人
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地址
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