F28D 20/021
Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups [CPC: F28D17/00] or [CPC: F28D19/00] using latent heat {the latent heat storage material and the heat-exchanging means being enclosed in one container }
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Edits on 5 Mar, 2022
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F28D 20/021
Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups [CPC: F28D17/00] or [CPC: F28D19/00] using latent heat {the latent heat storage material and the heat-exchanging means being enclosed in one container }
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