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P. Vasudevan
's Polls
Who invented Bifocal Lens?
Who invented Bifocal Lens?
A. Alfred B. Nobel B. Thomas Alva Edison C. Benjamin Franklin D. Rudolf Diesel
1 vote (100%)
A. Alfred B. Nobel B. Thomas Alva Edison C. Benjamin Franklin D. Rudolf Diesel
a)benjamin franklin b)alfred b nobel c)thomas alva edison d)rudolf diesel
0 votes (0%)
a)benjamin franklin b)alfred b nobel c)thomas alva edison d)rudolf diesel
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