BS 5839-9-2003 Fire detection and fire alarm systems for buildings — Part 9 Code of practice for the

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标准类别： 国外标准
关键词： BS   5839   2003   Fire   detection
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BS 5839-9-2003 Fire detection and fire alarm systems for buildings — Part 9 Code of practice for the design, installation, commissioning and maintenance of emergency voice communication systems
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