Covid-19: China pushes for QR code based global travel system
Covid-19: China pushes for QR code based global travel system
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QR codes - bar codes that can be read by mobile phones - have been used in China during the pandemic.
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November 23, 2020 at 10:20AM
https://ift.tt/eA8V8J
QR codes - bar codes that can be read by mobile phones - have been used in China during the pandemic.
Author --
November 23, 2020 at 10:20AM
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