untitled BRITISH STANDARD BS EN 1279 5 2005 +A2 2010 Glass in building — Insulating glass units Part 5 Evaluation of conformity ICS 81 040 20 ����������� � ��� � ������������������� ��������� ��� ����[.]
BRITISH STANDARD Glass in building — Insulating glass units Part 5: Evaluation of conformity ICS 81.040.20 12&23