লেন্স এর জনক কে?

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Sakazi Desk
Mar 30, 2023 02:33 PM 1 Answers General Knowledge
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লেন্স এর জনক কে?

ক) Bill Gates
খ) Elon Musk
গ) Professor Otto Wichterle
ঘ) Mark Zuckerberg
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Sakazi Desk
Mar 30, 2023
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গ) Professor Otto Wichterle

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