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Kuehleinrichtung fuer Glasstromrichter, insbesondere Quecksilberdampfglasgleichrichter, mit in den Weg des Kuehlluftstromes gelegter Rueckkuehlanlage fuer dem Stromrichter zugefuehrte Kuehlmittel
The European Revolutions, 1848-1851, by Jonathan Sperber (James F. Harris) The Quiet Revolution. Hermann Kolbe and the Science of Organic Chemistry, by Alan J. Rocke (D. Stanley Tarbell) The Naval Policy of Austria-Hungary. 1867-1918: Navalism, Industrial