| 摘要 |
FIELD: heat engineering. ^ SUBSTANCE: device has heating section in body in form of metallic frame with resistive wiring on it, which is separated from frame by electric insulating layer, which is made in form of cover of glass-like filaments, which covers resistive wiring, while cover of glass-like filaments is covered by protective metallic cover. ^ EFFECT: higher efficiency. ^ 5 cl, 4 dwg
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