7.71/10 2012-04-08 42 dakika.HDwith John Haynes (Technical Consultant): Introduction, Gas Chromatograph Mass Spectrometer, Comparison Polarized Light Microscope, Stereo Microscope, Infrared Spectrophotometer, Table Top Fume Hoodr, Polarized Light Microscope & FTIRYıl: 2012Stüdyo: CBSÜlke: United States of America