1. Specification for control plug cocks for low-pressure gases. (30th July 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (31 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for prevailing torque type bolts, screws and studs with non-metallic prevailing torque elements incorporated into the thread. (15th January 1994) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗