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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21/00
Constructions of heat-exchange apparatus characterised by the selection of particular materials
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F28F21/065
the heat-exchange apparatus employing plate-like or laminated conduits
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F28F21/066
for domestic or space-heating systems
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