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F22B37/00—Component parts or details of steam boilers
F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
F22B37/48—Devices or arrangements for removing water, minerals or sludge from boilers ; Arrangement of cleaning apparatus in boilers; Combinations thereof with boilers
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FR482705D1915-09-081916-08-30Appareil pour le nettoyage des tubes à fumée de chaudières à vapeur
ExpiredFR482705A
(fr)