| 摘要 |
The invention relates to a heating device (1), comprising a heating body (2, 11, 21, 31, 41) that is plate-shaped or planar and flat, or that is curved once or multiple times in the same direction or opposite directions, the heating body being made of a hydraulically bound material, preferably cement, which has a high packing density, and at least one electrical resistance heating element (5), which is embedded in the hydraulically bound material. |
