Hand Sanitizer का Invention कब और किसने किया । When and who Invention of Hand Sanitizer । Boldsky

Hand Sanitizer का Invention कब और किसने किया । When and who Invention of Hand Sanitizer । Boldsky

Hand Sanitizer का Invention कब और किसने किया । When and who Invention of Hand Sanitizer । Boldsky

Hand sanitizer is a liquid or gel generally used to decrease infectious agents on the hands.

User: Boldsky

Views: 2

Uploaded: 2020-03-17

Duration: 01:18

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