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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7/00
Elements not covered by group F28F1/00, F28F3/00 or F28F5/00
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F28F7/02
Blocks traversed by passages for heat-exchange media
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