Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F28
HEAT EXCHANGE IN GENERAL
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F28F
DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
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23/00
Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions
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F28F23/02
Arrangements for obtaining or maintaining same in a liquid state
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