1. Tracked changes. Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full. General principles and requirements (ISO 5167-1:2022) Part 1, (30th June 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (126 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗