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Application filed by Bernhard LudwigfiledCriticalBernhard Ludwig
Publication of CH66974ApublicationCriticalpatent/CH66974A/de
CH66974A1913-08-271913-08-27Verfahren zur trockenen Destillation von Kohle und ihr verwandten Stoffen und Ofen zur Ausführung dieses Verfahrens
CH66974A
(de)
Procédé pour la fabrication de briquettes de charbon, de tourbe, de coke, de bois et d'autres matières combustibles solides, d'une part, et de matières combustibles liquides, d'autre part