Revised
Applies to the duration and frequency of occurrence.
WITHDRAWN
IEC 60721-3-0:1984 ED1
WITHDRAWN
IEC 60721-3-0:1984/AMD1:1987 ED1
99.60
Withdrawal effective
May 7, 2020
Amendment 1 - Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Introduction
95.99 Withdrawal of Standard