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Application filed by August KochfiledCriticalAugust Koch
Publication of CH42357ApublicationCriticalpatent/CH42357A/de
CH42357A1907-11-191907-11-19Schmelzofen mit Ölfeuerung und mindestens zwei abwechselnd als Schmelz-und Vorwärmeräume verwendbaren Kammern
CH42357A
(de)