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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2255/00
Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
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F28F2255/08
pressed; stamped; deep-drawn
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