
PETROLEUM AND RELATED PRODUCTS - DETERMINATION OF THE EXTREME-PRESSURE AND ANTI-WEAR PROPERTIES OF LUBRICANTS - FOUR-BALL METHOD (EUROPEAN CONDITIONS) (ISO 20623:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
ISO 20623 : 2017 - Identical
EN ISO 20623 : 2018 - Identical
ISO 20623 : 2017 - Identical
EN ISO 20623 : 2018 - Identical