741. Varistors for use in electronic equipment. Sectional specification for surge suppression varistors Part 2, (1st March 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
742. Ventilation for buildings. Air handling units. Rating and performance for units, components and sections. (17th December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (76 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
743. Water-source heat pumps. Testing and rating for performance. Water-to-air and brine-to-air heat pumps Part 1, (11th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (56 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗