BS 476-31.1:1983

Действует

Fire tests on building materials and structures, Methods for measuring smoke penetration through doorsets and shutter assemblies, Method of measurement under ambient temperature conditions — 14 стр.

Описание Изменения Ссылки Версии

ICS

13.220.50 Fire-resistance of building materials and elements / Огнестойкость строительных материалов и элементов