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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17/00
Furnaces of a kind not covered by any of groups F27B1/00 - F27B15/00
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F27B17/02
specially designed for laboratory use
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F27B17/025
for dental workpieces
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