
Methods of test for full-flow lubricating oil filters for internal combustion engines--Part 4: Initial particle retention efficiencylife and cumulative efficiency(gravimetric method)
NORMA vydaná dňa 15.4.2003
Designation standards: GB/T 8243.4-2003
Publication date standards: 15.4.2003
Country: Chinese technical standard
Kategória: Technické normy GB