DIN EN 60721-3-9 (1995-08)现行
Classification Of Environmental Conditions - Part 3: Classification Of Groups Of Environmental Parameters And Their Severities - Section 9: Microclimates Inside Products
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Defines classes of microclimatic conditions to which components may be subjected inside products. High relative air humidity and high air temperature are characteristics parameters for the microclimates. Also includes definitions.
UNE EN 60721-3-9:1996 - Identical
SS EN 60721-3-9:2001 - Identical
I.S. EN 60721-3-9:1994 - Identical
SN EN 60721-3-9:1993 - Identical
BS EN 60721-3-9:1993 - Identical
IEC 60721-3-9 Ed. 1.0 - Identical
