铝及铝合金。散热片坯料。第2部分：机械性能。
Aluminium and aluminium alloys. Fin stock. Part 2: mechanical properties.
本实用新型涉及到一种壁画式电热取暖器，它由电热膜片、散热片、纸画、铝合金外框组成。
The utility model relates to a fresco type electric heating heater, which is composed of an electric heating diaphragm, heat radiating sheet, a paper painting, and an aluminium alloy outer frame.
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