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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9/00
Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
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F28F9/007
Auxiliary supports for elements
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F28F9/013
for tubes or tube-assemblies
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