Science · Scientific Inventions and Discoveries
डीजल इंजन का आविष्कारक कौन है?
- 1जेम्स वाट
- 2निकोला टेस्ला
- 3माइकल फैराडे
- 4रुडोल्फ डीजल✓
सही उत्तर देखें
रुडोल्फ डीजल
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