HD 478.1 : 200S2被替代
CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES
出版：Harmonization Documents
专家解读视频
IEC 60721-1 : 2.2 - Corresponds
NBN HD 478.1 : 1995 - Identical
CEI 75-1 : 2ED 1998 - Identical
SN HD 478.1 : 200S2 - Identical
NBN HD 478.1 : 1995 - Identical
UNE 20675-1 : 1994 - Identical
SN HD 478.1 : 200S2 - Identical
CEI 75-1 : 2ED 1998 - Identical
