1. BS EN IEC 61300-3-4. Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Part 3-4. Examinations and measurements. Attenuation (5th February 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗