
Methods of test for mortar for masonry - Part 19: Determination of water vapour permeability of hardened rendering and plastering mortars
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Methods of test for mortar for masonry - Part 19: Determination of water vapour permeability of hardened rendering and plastering mortars
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻