F23L 2900/15044

Preheating combustion air by heat recovery means using solar or other clean

Official title: Preheating combustion air by heat recovery means using solar or other clean energy

F23L2900/15044 (Preheating combustion air by heat recovery means using solar or other clean) appears on 5 US grants and 4 published applications in this corpus.

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5
Published applications
4
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5
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12
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12 Jul 2022

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