1. BS ISO 12925-1 AMD1. Lubricants, industrial oils and related products (class L). Family C (gears). Part 1. Specifications for lubricants for enclosed gear systems (2nd September 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗