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F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
F28G11/00—Cleaning by combustion, e.g. using squibs, using travelling burners
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FR610707D1926-02-061926-02-06Procédé et appareil pour nettoyer, détartrer et rénover les surfaces de chauffe des chaudières, les conduites, etc.
ExpiredFR610707A
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