【TBT】DKS 2802-11:2019 Masonry units — Methods of test Part 11: Determination of water absorption of clay and calcium silicate masonry units by cold - water absorption
【TBT】DKS 2802-10:2019 Masonry units — Methods of test Part 10: Determination of flatness of faces of aggregate concrete, manufactured stone and natural stone masonry units
【TBT】DKS 2802-6:2019 Masonry units — Methods of test Part 6: Determination of water absorption of aggregate concrete, autoclaved aerated concrete, manufactured stone and natural stone masonry units due to capillary action and the initial rate of water absorption of clay masonry units