BS 5839-9:2011
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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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
Постоянная ссылка
https://www.standards.ru/document/6771305.aspx