Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F22
STEAM GENERATION
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F22B
METHODS OF STEAM GENERATION; STEAM BOILERS
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35/00
Control systems for steam boilers
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F22B35/06
for steam boilers of forced-flow type
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F22B35/14
during the starting-up periods, i.e. during the periods between the lighting of the furnaces and the attainment of the normal operating temperature of the steam boilers
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