21
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en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
23154
8199
2

3M & House Ear Institute partnership - Single Channel (jan 26, 1980 – aug 8, 1987)

Added to timeline:

30 Sep 2017
0
0
148
C.I. implants

Date:

jan 26, 1980
aug 8, 1987
~ 7 years and 6.0 months
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