EN ISO 11990:1999 Optics and Optical Instruments - Lasers and Laser-Related Equipment - Determination of Laser Resistance of Tracheal Tube Shafts ISO 11990:1999
2018EN ISO 11990:2018 Lasers and laser-related equipment - Determination of laser resistance of tracheal tube shaft and tracheal cuffs
2003EN ISO 11990:2003 Optics and optical instruments - Lasers and laser-related equipment - Determination of laser resistance of tracheal tube shafts (Corrected 2003)
1999EN ISO 11990:1999 Optics and Optical Instruments - Lasers and Laser-Related Equipment - Determination of Laser Resistance of Tracheal Tube Shafts ISO 11990:1999