NF EN 61577-2:2017现行
Radiation Protection Instrumentation - Radon And Radon Decay Product Measuring Instruments - Part 2: Specific Requirements For [222]Rn And [220]Rn Measuring Instruments
出版：Association Francaise de Normalisation
专家解读视频
2017 [01/08/2017]2017 PR [01/04/2017]
Indice de classement: C19-117-2PR. PR NF EN 61577-2 April 2017. (04/2017)
EN 61577-2 : 2017 - Identical
PREN 61577-2 : DRAFT 2017 - Identical
EN 61577-2 : 2017 - Identical
EN 61577-2:2017 - Identical
PREN 61577-2:2017 - Identical
