| 摘要 |
FIELD: home appliances. ^ SUBSTANCE: method includes making metallic body of heater of metal with low coefficient of electron exit force, or application to surface of metallic body of heater, directed to heated liquid, of metal or alloy of metals with low coefficient of electron exit force, while surface of metallic body of heater, directed to heated liquid, is made in form of field of micro-spikes. ^ EFFECT: higher efficiency. ^ 1 dwg |
