
Test Methods For Determining The Contribution To The Fire Resistance Of Structural Members - Part 2: Vertical Protective Membranes
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Test Methods For Determining The Contribution To The Fire Resistance Of Structural Members - Part 2: Vertical Protective Membranes
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻