51. Tracked Changes. Geometrical product specifications (GPS). Dimensional measuring equipment. Design and metrological characteristics of micrometers for external measurements. (7th June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (58 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
52. Tracked Changes. Geometrical product specifications (GPS). General concepts and requirements for GPS measuring equipment. (27th November 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (139 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗