25 Pages, 1019 KB, Original
Single-chip voice record/playback device with 12 seconds duration
25 Pages, 1019 KB, Original
Single-chip voice record/playback device with 12 seconds duration
25 Pages, 1019 KB, Original
Single-chip voice record/playback device with 12 seconds duration
25 Pages, 1019 KB, Original
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33 Pages, 288 KB, Original
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