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Application filed by Charles Reginald UnderhillfiledCriticalCharles Reginald Underhill
Application grantedgrantedCritical
Publication of AT23944BpublicationCriticalpatent/AT23944B/de
Einrichtung, um die Telegraphie mittelst Typendrucktelegraphen, bei denen der Abdruck der Zeichen in ungleichmäßigem Abstande erfolgt, für lange Leitungen geeignet zu machen.