Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F27
FURNACES; KILNS; OVENS; RETORTS
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F27B
FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
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F27B14/08
Details specially adapted for crucible or pot furnaces
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F27B14/0806
Charging or discharging devices
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