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Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F23
COMBUSTION APPARATUS; COMBUSTION PROCESSES
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F23Q
IGNITION; EXTINGUISHING-DEVICES
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2/00
Lighters containing fuel, e.g. for cigarettes
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F23Q2/28
Lighters characterised by electrical ignition of the fuel
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F23Q2/285
with spark ignition
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F23Q2/287
piezoelectric
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