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F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
F28G3/00—Rotary appliances
F28G3/16—Rotary appliances using jets of fluid for removing debris
F28G3/163—Rotary appliances using jets of fluid for removing debris from internal surfaces of heat exchange conduits
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FR610511D1925-11-251926-02-02Perfectionnements apportés à la construction des appareils pour le nettoyage des tubes de chaudières ou autres
ExpiredFR610511A
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