| 摘要 |
A heating device comprising: a case having a plurality of openings; a power line having a plurality of first connectors; a plurality of heating boards installed in the case at an equal distance and each heating board including a heating layer, the heating layer being sandwiched between two isolation plates, two wires connected to the heating layer and each wire having second connectors which are connected with the first connectors of the power line to connect the heating boards in parallel.
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