| 摘要 |
The device has a flow of liquid or steam/vapor flowing through it and has an upper and a lower sheet (5,6) joined by welding and two considerably thinner intermediate sheets (1,2) welded together at separate points. The device has a sandwich plate packet structure with channels separated by weld seams and external lines (11) for a pressurized medium that separates the layers of the panel. Independent claims are also included for the following: a method of manufacturing a heating and/or cooling panel.
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