NEN 5623

Radioactivity measurements - Determination of the activity of gamma ray emitting nuclides in a counting sample by semiconductor gamma spectrometry
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NEN 5623:2016 nl
NEN 5623:2015 Ontw. nl

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NEN 5623:2002

standard
NEN 5623:2002 nl
standard
NEN 5623:2000 Ontw. nl

NVN 5623:1991

standard
NVN 5623:1991 nl