标准号:DIN EN 1366-8标准状态:现行发布日期:2023-05-01发布机构:德国标准化学会原文题名:Fire resistance tests for service installations - Part 8: Smoke extraction ducts; German and English version prEN 1366-8:2023原文题名:Fire resistance tests for service installations - Part 8: Smoke extraction ducts; German and English version prEN 1366-8:2023中文题名:服务设施的耐火试验 第8部分:排烟管道;德语和英语版本prEN 1366-8:2023CCS分类号:Q40/49CCS分类名:耐火材料ICS分类号:91.140