[소방전기공사] 우선경보방식(직상발화)의 기준과 경종/시각 배선 및 결선방법
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- เผยแพร่เมื่อ 12 ก.ย. 2024
- 소방자재전문쇼핑몰 ▶ 한국소방공사 www.nofire.co.kr/
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안녕하세요 영민한남자입니다.
오늘은 우선경보방식(구분경보방식)에 대해서 영상을 올렸습니다
부족하지만 누군가에게 도움되는 영상이였으면 좋겠습니다.
시청 감사합니다.
#소방전기기계
#우선경보방식
#구분경보방식
#직상발화