Вертикальная электрическая печь для нагрева ферромагнитных изделий под закалку

• Main Authors: MANDELBERG I.R, MATVEEV N.K
• Format: Patent
• Language: Russian
• Published: 30.11.1945
• Subjects: BLASTING; CHEMISTRY; FURNACES; FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; HEATING; KILNS; LIGHTING; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; MECHANICAL ENGINEERING; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; OPEN SINTERING OR LIKE APPARATUS; OVENS; RETORTS; WEAPONS