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  Integrated intelligent air breathing system

  It is equipped with a new generation of high-performance positive pressure air breathing apparatus that is independently developed and meets the latest standards. It integrates advanced ergonomic design and a variety of configuration options. It not only minimizes the weight, but also maximizes the freedom of movement and wearing comfort. It will also continue to improve and protect life safety to the maximum extent....

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  Intelligent air call management system

  The system mainly solves the problem that there is no signal coverage indoors and underground, and the air breathing pressure, location...