21. Secure storage units. Classification for high security locks according to their resistance to unauthorized opening. (15th April 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. Secure storage units. Classification for high security locks according to their resistance to unauthorized opening. (29th September 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (62 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
23. Secure storage units. Classification for high security locks according to their resistance to unauthorized opening. Distributed systems. (8th September 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. Specification for automatic electrical controls for household and similar use. Particular requirements. Electrically operated door locks Part 2-12, (15th January 1994) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. Specification for builders' hardware: lock and latch furniture (doors). (15th October 1973) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. Specification for gun cabinets. (31st March 1992) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
27. Specification for powered domestic lifts with partially enclosed cars and no lift-well enclosures. (15th August 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (42 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
28. Specification for thief resistant locks. (15th September 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
29. Specification for thief resistant locks. (30th April 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
30. Tracked Changes. Building hardware. Padlocks and padlock fittings. Requirements and test methods. (21st February 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) ↗