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BS 5839-9:2011 |  на печать | | Fire detection and fire alarm systems for buildings. Code of practice for the design, installation, commissioning and maintenance of emergency voice communication systems |
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| | Библиография | Обозначение | BS 5839-9:2011 | | Заглавие на английском языке | Fire detection and fire alarm systems for buildings. Code of practice for the design, installation, commissioning and maintenance of emergency voice communication systems | | Количество страниц оригинала | 72 | |
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