| 摘要 |
The invention relates to a sandwich heat exchanger, which can be used as a novel floor element for heating and cooling living accommodation and commercial premises. The essential features consist, in particular, in that the flow ducts (3) are embedded between the hard-wearing upper plate (1) and the insulating and support plate (2), which is capable of providing insulation; when placed on raw sub-concrete in a thick adhesive bed, it is capable of being levelled out by means of compensating spaces (21). <IMAGE>
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