IT939381B - Circuito di pompaggio elettrico per produrre una tensione in funzione della frequenza
- Google Patents
Circuito di pompaggio elettrico per produrre una tensione in funzione della frequenza
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IT939381B
IT939381BIT5271071AIT5271071AIT939381BIT 939381 BIT939381 BIT 939381BIT 5271071 AIT5271071 AIT 5271071AIT 5271071 AIT5271071 AIT 5271071AIT 939381 BIT939381 BIT 939381B
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G. MUNDHEIM, Ingenieur, in Berlin, und C. HAUPT, Fabrikbesitzer, in Brieg
Verfahren zur Erzeugung und Ueberhitzung von Wasserdampf durch verlorene Wärme von Brennöfen, behufs Zerlegung derselben durch Generatoren in brennbare Gase