| 摘要 |
A self-contained oxygen breathing apparatus contains the knapsack with the respiratory bag, oxygen-supply system comprising the balloon with the tap, pressure reducer, lung automate, safety valve, bypass, regenerative cartridge with the relieve valve, inspiration and expiration valves attached to the facial construction via the corrugated hoses. The facial construction contains the panoramic mask and mouthpiece with nasal clamp. The knapsack is equipped with the belts. |
