Effect of suppressing the spread of the virus and reducing inhalation with a mask Confirmed by the University of Tokyo, etc. –NHK NEWS WEB

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1. Effect of suppressing the spread of the virus with a mask and reducing inhalation Confirmed by the University of Tokyo, etc. NHK NEWS WEB
2. Verification of the mask with the real corona virus The world’s first MSN entertainment
3. Suction and diffusion suppression effect on masks Corona wear experiment, University of Tokyo, etc. ｜ Kyodo News kiji.is
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