प्रश्न 1 शब्द ‘नैनो-टेक्नोलॉजी’ का प्रयोग सर्वप्रथम किसने किया - (अ) नोरिओ तानिगुची (ब) शिनया यामानाका (स) योशिनोरी ओहसुमी (द) हिरोशी किमुरा उत्तर SHOW ANSWER
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