| • national chemical laboratory | |
| रसायन: chemical chemicals chemistry | |
| प्रयोगशाला: lab laboratory science laboratory science lab | |
राष्ट्रीय रसायन प्रयोगशाला अंग्रेज़ी में
[ rastriya rasayan prayogashala ]
| • national chemical laboratory | |
| रसायन: chemical chemicals chemistry | |
| प्रयोगशाला: lab laboratory science laboratory science lab | |
