2018DIN EN ISO 11990:2018-12 Lasers and laser-related equipment - Determination of laser resistance of tracheal tube shaft and tracheal cuffs (ISO 11990:2018); German version EN ISO 11990:2018
2018DIN EN ISO 11990:2018 Lasers and laser-related equipment - Determination of laser resistance of tracheal tube shaft and tracheal cuffs (ISO 11990:2018); German version EN ISO 11990:2018
1970DIN EN ISO 11990 E:2017-05 Determination of laser resistance of tracheal shafts and tracheal cuffs of lasers and laser-related equipment (draft)