... 8kg tri-units140x60x10cm, GT medical X-ray film viewer series are particularly applied to various size films ... easy operation convenience,make it an ideal film viewer.Film-viewing screen is made of organic ... made of high-performance alluminum-alloy,undeformable.The viewer is made in dual-purposes,i.e. ... is strictly abide by National X-ray film viewer YY/T0610-2007 standard,concerning light intensity,light ...