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chem102-010-20170512-122001.mp4

UD Capture Recording

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chem102-010-20170428-122000.mp4

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chem102-010-20170421-122000.mp4

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chem102-010-20170403-122001.mp4

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chem102-010-20170313-122000.mp4

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chem102-010-20170310-122001.mp4

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chem102-010-20170308-122000.mp4

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chem102-010-20170222-122001.mp4

UD Capture Recording

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