21. Tracked Changes. Aluminium and aluminium alloys. Circle and circle stock for the production of culinary utensils. Specifications. (12th May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. Tracked Changes. Vitreous and porcelain enamels. Enamelled cooking utensils. Determination of resistance to thermal shock. (5th January 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
23. Vitreous and porcelain enamels. Enamelled cooking utensils. Determination of resistance to thermal shock. (17th November 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗