KS M ISO 7783-2:2007 Paints and varnishes-Coating materials and coating systems for exterior masonry and concrete-Part 2:Determination and classification of water-vapour transmission rate(permeability)
2012KS M ISO 7783-2:2012 Paints and varnishes-Coating materials and coating systems for exterior masonry and concrete-Part 2:Determination and classification of water-vapour transmission rate(permeability)
2007KS M ISO 7783-2:2007 Paints and varnishes-Coating materials and coating systems for exterior masonry and concrete-Part 2:Determination and classification of water-vapour transmission rate(permeability)