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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7/00
Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
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F23Q7/001
Glowing plugs for internal-combustion engines
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F23Q2007/002
with sensing means
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