Q16:What is the shelf life of 3M's filtering facepiece respirators?
问16:3M随弃式呼吸防护口存放期是多长时间?
Q16:What is the shelf life of 3M's filtering facepiece respirators?
问16:3M随弃式呼吸防护口存放期是多长时间?
In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode.
如果发生火灾,请在压力下,穿保护衣和国立职业安全健康研究所批准呼吸器械和口。
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