DIN 51784:2020-07 Testing of liquid fuels - Determination of content of lubricating oils of lubricated petrol on the determination of test gum content in hydrocarbons by jet evaporation
2020DIN 51784:2020-07 Testing of liquid fuels - Determination of content of lubricating oils of lubricated petrol on the determination of test gum content in hydrocarbons by jet evaporation
1983DIN 51784:1983 Testing of liquid fuels; determination of content of lubricating oils of lubricated petrol on the determination of test gum content in hydrocarbons by jet evaporation