PT-A lesson learn from the development of ventilator and oxygen hi-flow concentrator during covid-19 pandamic.

Title: PT-A lesson learn from the development of ventilator and oxygen hi-flow concentrator during covid-19 pandamic.
Description: On May 11, 2023 at room MR222 , BITEC, Bangna, Bangkok.
Number of photos: 13

On May 11, 2023 at room MR222 , BITEC, Bangna, Bangkok.

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