Youtor
자동화재탐지설비 화재안전기준 개정 내용
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=6Oje5NjW1RI
구분경보방식의 내용을 개정함 • 11층 이상(공동주택은 16층) 으로 개정하고, • 경보의 층도 직상 4개층으로 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