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Some Important Inventions/Discoveries of the 1920's
Category:
Otro
Actualizado:
27 jul 2018
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0
1385
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Created by
Cassandra Woods
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449
Eventos
Band-Aid
Lie Detector
Traffic Signal
Stored Frozen Food
Loudspeaker
Mechanical Television
Liquid-Fuelled Rocket
Sound Film
Penicillin
Car Radio
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