Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 4: Initial particle retention efficiency, life and cumulative efficiency (gravimetric method)
NORMA vydaná dňa 27.11.1997
Designation standards: ISO 4548-4:1997
Publication date standards: 27.11.1997
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: International technical standard
Kategória: Technické normy ISO