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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F28F9/02
Header boxes; End plates
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F28F9/0219
Arrangements for sealing end plates into casing or header box; Header box sub-elements
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F28F9/0224
Header boxes formed by sealing end plates into covers
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F28F9/0226
with resilient gaskets
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