This standard ( Part 2 ) prescribes a detailed classification of family A (total loss systems) for lubricants, industrial oils and related products (Glass L) covered under IS 11159 (Part 1 ) : 1985.
IS 11159 Pt.2-1989 history
1990IS 11159 Pt.2-1989 Classification of lubricants, industrial oils and related products Part 2 Series A (Total Loss Systems)