Күн бұрынOxiKit How to Build: Principles of the DIY Oxygen Concentrator - 15 LPM 98 Percent O2 Concentration Рет қаралды 225,077OxiKit 1 1 OxiKit How to Build Series:Principles of the DIY Oxygen Concentrator - 15 LPM 98 Percent O2 ConcentrationЖүктеу
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