
Fire Behaviour of Building Materials and Building Components; Fire Walls and Non-load-bearing External Walls; Definitions, Requirements and Tests
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Fire Behaviour of Building Materials and Building Components; Fire Walls and Non-load-bearing External Walls; Definitions, Requirements and Tests
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频