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ISO-TR 12470-1 2017 Fire-resistance tests Guidance on the application and extension of results from tests conducted on fire containment assemblies and products Part 1 Loadbearing elements and vertic
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ISO-TR 12470-1 2017 Fire-resistance tests Guidance on the application and extension of results from tests conducted on fire containment assemblies and products Part 1 Loadbearing elements and vertic
