31-08-2016
36
هندسية
وسائل النقل
اختبارات
640 ج.م.
IS0 4548-4: 1997 :- 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)
متبناه
الزامى
1002/2017
27.020