1. Specification for thick PVC sheeting (calendered, flexible, unsupported). (28th February 1975) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for thin PVC sheeting (calendered, flexible, unsupported). (31st July 1975) 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) ↗