2011NF B53-649:2011 Wood flooring and wood panelling and cladding - Determination of geometrical characteristics.
0000 NF B53-649:2003
1989NF B54-091:1989 Wood. Panelling. Traditional panelling strips in maritime pine.
NF B53-675:2013 Solid wood panelling and cladding - Characteristics, evaluation of conformity and marking was changed to KS B 5425-2013 Photographic lenses ? F-number marking.