DIN EN 689 (1995-04)现行
Workplace atmospheres - Guidance for the assessment of exposure by inhalation to chemical agents for comparison with limit values and measurement strategy
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
DRAFT 2016 issued in July 2016. (07/2016)
EN 689:1995 - Identical
SS EN 689 Ed. 1 (1995) - Identical
NS EN 689 Ed. 1 (1995) - Identical
NF EN 689:1995 - Identical
UNI EN 689:1997 - Identical
NBN EN 689:1995 - Identical
I.S. EN 689:1995 - Identical
ONORM EN 689:1995 - Identical
BS EN 689:1996 - Identical
UNE EN 689:1996 - Identical
SN EN 689:1995 - Identical
EN 689:2018 - Identical
NEN EN 689:1995 - Identical
