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Uma Mageshwari
's Polls
Inventions
What J. B. Dunlop invented?
Pneumatic rubber tire
2 votes (50%)
Pneumatic rubber tire
Automobile wheel rim
1 vote (25%)
Automobile wheel rim
Rubber boot
1 vote (25%)
Rubber boot
Model airplanes
0 votes (0%)
Model airplanes
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4 votes
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Wolmal
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