Zamenjen
Sets forth the requirement for a portable instrument for the rapid measurement of the volume potential alpha energy due to the decay product of radon 222Rn in the air of underground mines.
POVUČEN
IEC 61263:1994 ED1
99.60
Povlačenje stupilo na snagu
9. 12. 2011.
OBJAVLJEN
IEC 61577-3:2011 ED2