411. Information technology. Guidelines for the documentation of computer-based application systems. (15th May 2000) 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) ↗
412. Connectors. Safety requirements and tests. (28th November 2001) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
413. Medical face masks. Requirements and test methods. (22nd August 2019) 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) ↗
414. Batch control. Models and terminology Part 1, (15th October 1999) 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) ↗
415. Ventilation for non-residential buildings. Performance requirements for ventilation and room-conditioning systems. (6th July 2005) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (56 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
416. Information security management. Code of practice for information security management Part 1, (15th May 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (52 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
417. Power transformers, power supply units, reactors and similar products. EMC requirements. (19th December 2003) 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) ↗
418. Connectors for frequencies below 3 MHz. Detail specification for interconnection devices which permit multi-directional mating, for use with rechargeable batteries Part 17, (15th September 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
419. Gas-fired central heating boilers. Type C boilers of nominal heat input not exceeding 70 kW. (30th April 2008) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (162 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
420. Control circuit devices and switching elements proximity sensors, d.c. interface for proximity sensors and switching amplifiers (NAMUR). (17th March 1999) 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) ↗