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Person Explain To Students The Work Of Electron Microscope 

Contributor: Frame Stock Footage
Stock video ID: SBV-312818306
4KMOV (mjpeg) - 741.6 MB
4KMP4 (h264) - 22.6 MB
HDMOV (mjpeg) - 75.6 MB
HDMP4 (h264) - 2.3 MB