#774576

#774576: Distance from a point smoke detector to the wall when installed under the ceiling...

Distance from a point smoke detector to the wall when installed under the ceiling...
Варианты ответа:
  • not less than 0.1 m
  • not less than 0.2 m
  • not less than 0.5 m

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Тематика: Автоматические системы пожаротушения и связь Пожарная безопасность Техника безопасности и санитария
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