Science · Inventions and Inventors
केश आर्द्रतामापी (Hair Hygrometer) के आविष्कारक कौन हैं?
- 1रॉबर्ट हुक
- 2होरेस बेनेडिक्ट डी सौसर✓
- 3लियोनार्डो द विंची
- 4जॉन डाल्टन
सही उत्तर देखें
होरेस बेनेडिक्ट डी सौसर
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