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DIFF Subgroup Additional Only
F25B 2321/02

using Peltier effects; using Nernst-Ettinghausen effects

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Details of machines, plants or systems, using electric or magnetic effects > using Peltier effects; using Nernst-Ettinghausen effects

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.