
Petroleum and related products - Determination of the extreme-pressure and anti-wear properties of fluids - Four ball method (European conditions) (ISO 20623:2003)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
DRAFT 2017 issued in February 2017. (02/2017)
NF EN ISO 20623:2004 - Identical
NBN EN ISO 20623:2004 - Identical
BS EN ISO 20623:2003 - Identical
SN EN ISO 20623:2004 - Identical
I.S. EN ISO 20623:2004 - Identical
ONORM EN ISO 20623:2004 - Identical
ISO 20623:2003 - Identical
NEN EN ISO 20623:2004 - Identical
SS EN ISO 20623 Ed. 1 (2003) - Identical
UNE EN ISO 20623:2004 - Identical
NS EN ISO 20623 Ed. 1 (2004) - Identical
UNI EN ISO 20623:2005 - Identical
BS EN ISO 20623:2018 - Identical
NS EN ISO 20623:2018 - Identical
NEN EN ISO 20623:2018 - Identical
EN ISO 20623:2018 - Identical