"sm ofen" in English SM-Ofen {m} open-hearth furnace SM-Öfen {m pl} open-hearth furnaces Detailed translations for "sm ofen" der SM-Ofen{masculine} SM-Ofen(also: Siemens-Martin-Ofen) open-hearth furnace SM-Öfen{masculine plural} SM-Öfen(also: Siemens-Martin-Öfen) open-hearth furnaces