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发明名称
Vorrichtung zur Berechnung und Anzeige von Gewinstquoten bei Renntotalisatoren.
摘要
申请公布号
AT139961(B)
申请公布日期
1934.12.27
申请号
ATD139961
申请日期
1932.06.21
申请人
ROY ERNEST WELLS
发明人
ROY ERNEST WELLS
分类号
主分类号
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