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Home › Breathing bag, system comprising a breathing bag and a dispensing valve unit, closed-circuit respirator as well as process for mounting a system comprising a breathing bag and a dispensing valve unit in a closed-circuit respirator

Breathing bag, system comprising a breathing bag and a dispensing valve unit, closed-circuit respirator as well as process for mounting a system comprising a breathing bag and a dispensing valve unit in a closed-circuit respirator

US Patent 11160942 · Granted Nov 2, 2021

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