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Oliver Koehler
Larchmont, New York, United States
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Sept. 16, 2022, 11:51 a.m. PDT
Solar Prize Round 6
registered for challenge
Sept. 14, 2021, 6:36 p.m. PDT
Solar Prize Round 5 Hardware Track
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Oct. 8, 2020, 6:58 a.m. PDT
Solar Prize Round 4
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