Youtube activity of "Leonid Yakovlev" (@LeonidYakovlev85) on "Редакция.Наука" channel.
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UCj2uzf4V25a5WZp2kU-fTRg
Commenter youtube id
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Leonid Yakovlev
Commenter name
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@LeonidYakovlev85
Commenter name id
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Comments by video