Physics · Inventions
डीजल इंजन का आविष्कार किसने किया था?
- 1कार्ल डीजल
- 2रुडोल्फ डीजल✓
- 3निकोलाउस डीजल
- 4गोटलिब डेमलर
सही उत्तर देखें
रुडोल्फ डीजल
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