51. BS EN ISO 13137. Workplace atmospheres. Pumps for personal sampling of chemical and biological agents. Requirements and test methods. (22nd June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (37 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
52. Solid biofuels. Fuel specifications and classes. General requirements Part 1, (2nd July 2021) 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) ↗
53. BS EN ISO 15874-1 AMD1. Plastics piping systems for hot and cold water installations. Polypropylene (PP). Part 1. General (17th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (7 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. Medical electrical equipment. Particular requirements for the basic safety and essential performance of dental intra-oral X-ray equipment Part 2-65, (1st July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
55. BS ISO 362-1. Acoustics. Measurement of noise emitted by accelerating road vehicles. Engineering method. Part 1. M and N categories (29th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (89 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
56. BS ISO 362-3. Acoustics. Measurement of noise emitted by accelerating road vehicles. Engineering method. Part 3. Indoor testing M and N categories (29th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (71 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
57. BS EN IEC 62275. Cable management systems. Cable ties for electrical installations. (18th June 2021) 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) ↗
58. BS EN 60947-5-7. Low-voltage switchgear and controlgear. Part 5-7. Control circuit devices and switching elements. Requirements for proximity devices with analogue output (7th July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (31 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
59. Safety of machinery. Electrical equipment of machines. General requirements Part 1, (9th July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (150 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
60. BS EN 60601-2-20 AMD1. Medical electrical equipment. Part 2-20. Particular requirements for the basic safety and essential performance of infant transport incubators (25th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗