2711. Tracked Changes. Fibre optic interconnecting devices and passive components. Performance standard. Non-connectorized, singlemode fibre, electrically controlled, variable optical attenuator for category C. Controlled environments Part 053-02, (13th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (70 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2712. Information security, cybersecurity and privacy protection. Evaluation criteria for IT security. Methodology for IT security evaluation. (31st October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (440 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2713. Tracked Changes. Machinery for forestry. Portable chain-saw safety requirements and testing. Chain-saws for tree service Part 2, (12th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (100 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2714. Household and similar electrical appliances. Safety. Particular requirements for air-cleaning appliances Part 2-65, (13th October 2022) 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) ↗
2715. Tracked Changes. Test conditions for machining centres. Evaluation of thermal distortions Part 10, (13th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (108 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2716. Information security, cybersecurity and privacy protection. Evaluation criteria for IT security. Security assurance components Part 3, (10th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (204 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2717. Household and similar electrical appliances. Safety. Particular requirements for room heaters Part 2-30, (13th October 2022) 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) ↗
2718. Workplace atmospheres. Pumps for personal sampling of chemical and biological agents. Requirements and test methods. (11th October 2022) 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) ↗
2719. Ventilation for buildings. Performance testing of components/products for residential ventilation. Performance testing of non-ducted mechanical supply and exhaust ventilation units (including heat recovery) Part 8, (31st October 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) ↗
2720. Ductile iron and steel wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, steel, PVC-U, PVC-O, PE, fibre-cement. (14th October 2022) 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) ↗