331. Tracked Changes. Information and documentation. International standard serial number (ISSN). (15th September 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (72 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
332. Tracked Changes. Information security. Encryption algorithms. General Part 1, (4th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (64 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
333. Tracked Changes. Information security. Message authentication codes (MACs). Mechanisms using a dedicated hash-function Part 2, (3rd May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (152 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
334. Tracked Changes. Plastics. Homopolymer and copolymer resins of vinyl chloride. Designation system and basis for specifications Part 1, (14th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
335. Tracked Changes. Plastics. Symbols and abbreviated terms. Flame retardants Part 4, (15th December 2021) 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) ↗
336. Tracked Changes. Postal services. Automatic identification of items. Two dimensional bar code symbol print quality specification for machine readable Digital Postage Marks. (5th September 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (74 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
337. Tracked Changes. Primary batteries. Watch batteries Part 3, (17th May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (76 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
338. Tracked Changes. Radio data system (RDS). VHF/FM sound broadcasting in the frequency range from 64, 0 MHz to 108, 0 MHz. Compilation of technical specifications for Open Data Applications in the public domain Part 6, (26th June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (104 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
339. Tracked Changes. Rotating electrical machines. Classification of types of construction, mounting arrangements and terminal box position (IM Code) Part 7, (1st February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (92 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
340. Tracked Changes. Scheduling, dimensioning, bending and cutting of steel reinforcement for concrete. Specification. (22nd December 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (94 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗