| • कृत्रिम ग्रैफाइट | |
| artificial: कृत्रिम | |
| graphite: ग्रैफाइट लिखिज | |
artificial graphite मीनिंग इन हिंदी
artificial graphite उदाहरण वाक्य
उदाहरण वाक्य
- In 1792, Hardtmuth established a pencil factory in Vienna after he succeeded in creating an artificial graphite pencil by mixing powdered graphite with clay.