China National Standards

China Respiratory protection—Self contained GB Standards List

  •  China "Respiratory protection—Self contained" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB 38451-2019 Respiratory protection—Self-contained open-circuit compressed air breathing apparatus for escape
    呼吸防护 自给开路式压缩空气逃生呼吸器    		 China National Standards
    Respiratory protection—Self contained
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