Результаты (
английский) 2:
[копия]Скопировано!
A comparison of energy efficiency windows with modern double-glazed windows, and identified economic benefits from double glazing formulas 4i-16ar-4, 4i-12ar-4-8-4, 4i-18ar-4-20-4 against each other at the expense of conservation of electric heating in a country House, 3-room apartment for the heating season, and 1 year of use.
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