11. Simple unfired pressure vessels designed to contain air or nitrogen. Specification for pressure vessels for air braking and auxiliary systems for motor vehicles and their trailers Part 2, (15th November 1992) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
12. Specification for electric power switchgear and associated apparatus. (1st March 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (91 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
13. Tracked Changes. Medical suction equipment. Suction equipment powered from a vacuum or positive pressure gas source Part 3, (20th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗