
Tests On Electric And Optical Cables Under Fire Conditions - Part 3-21: Flame Spread Of Vertically-mounted Bunched Wires Or Cables - Category A F/r
出版:Interstandard (Russia)

專家解讀視頻
Tests On Electric And Optical Cables Under Fire Conditions - Part 3-21: Flame Spread Of Vertically-mounted Bunched Wires Or Cables - Category A F/r
出版:Interstandard (Russia)
專家解讀視頻