Science · General Science
टेलीफोन के आविष्कार का श्रेय किसे दिया जाता है?
- 1जोहान्स गुटेनबर्ग
- 2जेम्स वाट
- 3अलेक्जेंडर ग्राहम बेल✓
- 4थॉमस एल्वा एडिसन
सही उत्तर देखें
अलेक्जेंडर ग्राहम बेल
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