GOST R 12.4.220-2022
Occupational safety standards system.Respiratory system protective devices.Self-contained closed-circuit breathing apparatus for escape with chemically bonded or compressed oxygen.Technical requirements.Testing methods.Marking.Sampling rules
Occupational safety standards system.Respiratory system protective devices.Self-contained closed-circuit breathing apparatus for escape with chemically bonded or compressed oxygen.Technical requirements.Testing methods.Marking.Sampling rules
- 标准号
- GOST R 12.4.220-2022
- 发布
- 2023年
- 发布单位
- 中国国家标准
- 当前最新
- GOST R 12.4.220-2022
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