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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 ene 1978 año - The first cochlear implant is invented by Graeme Clark
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1.2 - ASL
By
jadsfksnl
1 oct 2018
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1 ene 1978 año
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~ 47 years ago
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