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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
F28G3/10—Rotary appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
F28G3/14—Rotary appliances having scrapers, hammers, or cutters, e.g. rigidly mounted thrown into working position by centrifugal force
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FR598570D1924-05-241925-05-22Procédé pour débarrasser les corps tubulaires de tous dépôts solides tels que le tartre et analogues
ExpiredFR598570A
(fr)
Μεθοδος εξαντλητικης αποκομιδης ελαιων εξ ελαιοπυρηνων η αλλων ελαιοφορων σπερματων δια γαλακτωματοποιησεως του ενεχομενου ελαιου και αποχωρισμου τουγαλακτωματος.