GOST 23166-2021 Window and balcony translucent enclosing constructions. General specifications was changed to GOST 4.226-1983 Quality rating system. Building. Windows, doors and gates of wood. Nomeclature of characterictics.
GOST 23166-2021 Window and balcony translucent enclosing constructions. General specifications was changed to GOST 4.215-1981 Product -quality index system. Building. Window and door fittings. Nomenclature of indeces.
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