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drawing chemical formula on chalkboard

drawing chemical formula on chalkboard

   
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drawing chemical formula on chalkboard - stock footage
Drawing chemical formula on chalkboard. Computer generated 1080p
ID: 13405   
Rating:
Clip Format:HD 1080
Duration:00:00:28Multimedia file:QuickTime(.mov)
Total Frames:839.16Codec:mjpeg (Photo Jpeg)
Frames per Second:29.97Viewed:946
Aspect Ratio:16:9 nativeDownloads:0
Pixel aspect ratio:1Published:03/11/2012
Field Rendering:Progressive scanCopyright Holder:
Model release:NoProperty release:No

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Keywords
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