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Português Translations » 历史存档[信息] » Gostaria de perguntar a todos: em quais normas é exigida a i

Gostaria de perguntar a todos: em quais normas é exigida a instalação de detectores de oxigênio? !

2016-06-29View Original

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Como o título indica, qual norma exige a instalação de um dispositivo de alarme para detecção de oxigênio? Quais locais precisam ser equipados?»
Reply #22016-06-29
Espaço limitado, exigindo de 19% a 22%
Reply #32016-06-29
Leve um detector de explosivos qualquer, essa função
Reply #42016-06-29
Qual regulamento ou padrão exige isso?

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Translated at 2026-07-28 22:50:55

Original: https://bbs.hcbbs.com/thread-1598259-1-1.html

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