Nurul Wahyudah Prastyo
Jumat, 27 Maret 2020
Show HN: My dad designed and built a ventilator prototype with a bicycle pump https://ift.tt/39lNCSD
Show HN: My dad designed and built a ventilator prototype with a bicycle pump https://ift.tt/3bvpiPL March 27, 2020 at 05:11PM
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