BS EN 12939:2001

Действует

Thermal performance of building materials and products. Determination of thermal resistance by means of guarded hot plate and heat flow meter methods. Thick products of high and medium thermal resistance — 36 стр.

Описание Изменения Ссылки Версии

ICS

91.100.60 Thermal and sound insulating materials / Тепло- и звукоизоляционные материалы