Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F23
COMBUSTION APPARATUS; COMBUSTION PROCESSES
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F23N
REGULATING OR CONTROLLING COMBUSTION
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5/00
Systems for controlling combustion
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F23N5/02
using devices responsive to thermal changes or to thermal expansion of a medium
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F23N5/107
using mechanical means, e.g. safety valves
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