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F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
F23D2900/31018—Nozzles and cleaning devices therefor
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FR465462A1913-11-281913-11-28Système de nettoyage par épinglage automatique à distance des éjecteurs de lampes à incandescence par les hydrocarbures
ExpiredFR465462A
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