
Extended Application Of Results From Fire Resistance Tests - Part 7: Non-loadbearing Sandwich Panels - Ceilings
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Extended Application Of Results From Fire Resistance Tests - Part 7: Non-loadbearing Sandwich Panels - Ceilings
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻