51. Terrestrial photovoltaic (PV) modules. Design qualification and type approval. Test requirements Part 1, (8th April 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) ↗
52. Terrestrial photovoltaic (PV) modules. Design qualification and type approval. Special requirements for testing of thin-film Cu(In, GA)(S, Se)2 based photovoltaic (PV) modules Part 1-4, (9th April 2021) 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) ↗
53. Electricity metering equipment. General requirements, tests and test conditions. Metering equipment Part 11, (9th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (128 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. Rough-terrain trucks. Safety requirements and verification. Variable-reach trucks equipped with work platforms having a front guard that can be opened Part 9, (9th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
55. Electricity metering equipment. Particular requirements. Static meters for AC active energy (classes 0, 1S, 0, 2S and 0, 5S) Part 22, (8th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
56. Terrestrial photovoltaic (PV) modules. Design qualification and type approval. Special requirements for testing of crystalline silicon photovoltaic (PV) modules Part 1-1, (7th April 2021) 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) ↗
57. Dentistry. External tooth bleaching products. (12th April 2021) 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) ↗
58. Terrestrial photovoltaic (PV) modules. Design qualification and type approval. Test procedures Part 2, (15th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (60 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
59. BS EN 61215-1-4 AMD1. Terrestrial photovoltaic (PV) modules. Design qualification and type approval. Part 1-4. Special requirements for testing of thin-film Cu(In, Ga)(S, Se)2 based photovoltaic (PV) modules (9th April 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) ↗
60. Electronic fee collection. Test procedures for user and fixed equipment. Conformance test for the on-board unit application interface Part 2, (13th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (86 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗