untitled BRITISH STANDARD BS EN 12101 1 2006 Smoke and heat control systems Part 1 Specification for smoke barriers The European Standard EN 12101 1 2006 has the status of a British Standard ICS 13 22[.]
BRITISH STANDARD Smoke and heat control systems Part 1: Specification for smoke barriers The European Standard EN 12101-1:2006 has the status of a British Standard ICS 13.220.99 12&23