50.97 End of interruption of work - split/merged Mar 28, 2012
CENELEC
CLC/TC 81X Lightning protection
European Norm
WITHDRAWN
EN 62561-1:2012
ABANDON
FprEN 62561-1:2011/FprAA:2012
50.97
End of interruption of work - split/merged
Mar 28, 2012