Unknown BRITISH STANDARD BS EN 12792 2003 Ventilation for buildings — Symbols, terminology and graphical symbols The European Standard EN 12792 2003 has the status of a British Standard ICS 01 040 91;[.]
BRITISH STANDARD Ventilation for buildings — Symbols, terminology and graphical symbols The European Standard EN 12792:2003 has the status of a British Standard ICS 01.040.91; 01.075; 91.140.30 12&23