Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F25
REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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F25C
PRODUCING, WORKING OR HANDLING ICE
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F25C1/12
by freezing water on cooled surfaces, e.g. to form slabs
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F25C1/14
to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes
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F25C1/142
from the outer walls of cooled bodies
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