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发明名称
Vorrichtung zur Anzeige periodisch sich wiederholender nicht dekadischer Werte
摘要
申请公布号
DE625811(C)
申请公布日期
1936.02.15
申请号
DE1931E041606D
申请日期
1931.08.08
申请人
TELEFONBAU UND NORMALZEIT AKT.-GES.;TELEFONBAU UND NORMALZEIT AKT.-GES.
发明人
分类号
G04B19/20
主分类号
G04B19/20
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