
Test Methods For Determining The Contribution To The Fire Resistance Of Structural Members - Part 1: Horizontal Protective Membranes
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Test Methods For Determining The Contribution To The Fire Resistance Of Structural Members - Part 1: Horizontal Protective Membranes
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频