
Fire classification of construction products and building elements Part 5: Classification using data from external fire exposure to roofs tests
出版:German Institute for Standardisation (Deutsches Institut f眉r Normung)

專家解讀視頻
Fire classification of construction products and building elements Part 5: Classification using data from external fire exposure to roofs tests
出版:German Institute for Standardisation (Deutsches Institut f眉r Normung)
專家解讀視頻