91. Aerospace series. Steel X12CrNiMoV12-3 (1.4938). Air melted and consumable electrode remelted. Hardened and tempered. Bars. De ≤ 150 mm. 900 MPa ≤ Rm ≤ 1 100 MPa. (18th May 2021) 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) ↗
92. BS EN 4881. Aerospace series. Micro-arc oxidation of aluminium and aluminium alloys. (20th May 2021) 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) ↗
93. BS EN 4883. Aerospace series. Steel X5CrNiCu 17-4 (1.4542). Air melted. Solution treated and precipitation treated. Plates. 6 mm ≤ a ≤ 100 mm. Rm ≥ 1 070 MPa. (20th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (11 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
94. BS EN IEC 60947-5-1. Low-voltage switchgear and controlgear. Part 5-1. Control circuit devices and switching elements. Electromechanical control circuit devices (4th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (127 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
95. BS EN 2996-006. Aerospace series. Circuit breakers, three-poles, temperature compensated, rated currents 1 A to 25 A. Part 006. 6, 3 & 2, 8 mm blade terminal. With polarized signal contact. Product standard (19th July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
96. BS EN 3774-004. Aerospace series. Circuit breakers, three-pole, temperature compensated, rated currents 1 A to 25 A. Part 004. UNC thread terminals. Product standard (21st July 2021) 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) ↗
97. BS EN IEC 60947-2. Low-voltage switchgear and controlgear. Part 2. Circuit-breakers (5th August 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (281 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
98. High-voltage switchgear and controlgear. Alternating current circuit-breakers Part 100, (7th September 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (302 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
99. Power frequency overvoltage protective devices (POPs) for household and similar applications. (23rd September 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (126 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
100. High-voltage switchgear and controlgear. Synthetic testing Part 101, (4th October 2021) 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) ↗