251. Printed wiring boards. Method for specifying single and double sided printed wiring boards with plain holes Part 4, (29th January 1982) 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) ↗
252. Metal-clad base materials for printed wiring boards. Adhesive coated polymeric films: PETP-F-15 and PI-F-15 Part 15, (31st October 1978) 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) ↗
253. Specification for precipitaton hardening chromium-nickel-copper corrosion-resisting steel castings (1250-1500 MPa) (Cr 16, Ni 4, Cu 3). (29th November 1974) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
254. Specification for 18% nickel maraging steel precision castings (1600-1850 MPa). (29th November 1974) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
255. Printed wiring boards. Guide for the repair of printed wiring boards Part 21, (30th April 1984) 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) ↗
256. Printed wiring boards. Specification for multilayer printed wiring boards Part 6, (29th January 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
257. Printed wiring boards. Method for specifying single and double sided flexible printed wiring boards without through connections Part 7, (29th October 1982) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
258. Specification for procurement of alloy steel bolts, metric, with a minimum tensile strength of 1100 MPa. (27th February 1981) 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) ↗
259. Specification for semiconductor devices of assessed quality: generic data and methods of test. (31st July 1969) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (428 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
260. Specification for capability approval of light emitting and infra-red diode arrays of assessed quality: generic data and methods of test. (28th February 1983) 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) ↗