1. Telecontrol equipment and systems. General considerations. Guide for basic aspects of telecontrol data transmission and organization of standards BS 7404:Part 5 and BS 7404:Part 6 Part 1.4, (15th March 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗