321. Contact lenses. Methods of test for contact lenses Part 3, (31st January 1992) 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) ↗
322. Arc-welded joints in steel. Guidance on quality levels for imperfections. (15th October 1992) 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) ↗
323. Printed wiring boards. Specification for flexible multilayer boards with through connections Part 9, (30th September 1991) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
324. Specification for delivery requirements for surface condition of hot rolled steel plates, wide flats and sections. General requirements Part 1, (20th December 1991) 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) ↗
325. Harmonized system of quality assessment for electronic components. Semiconductor devices. Integrated circuits. Sectional specification for semiconductor integrated circuits excluding hybrid circuits. Internal visual examination for semiconductor integrated circuits excluding hybrid circuits. (15th August 1992) 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) ↗
326. Steel pipes and tubes for pressure purposes: ferritic alloy steel with specified elevated temperature properties. Specification for longitudinally arc welded tubes Part 2, (30th September 1991) 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) ↗
327. Fasteners. Surface discontinuities. Bolts, screws and studs for special requirements Part 3, (1st April 1992) 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) ↗
328. Metallic multilayer plain bearings. Method for non-destructive ultrasonic testing of bond Part 1, (15th July 1992) 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) ↗
329. Piston rings up to 200 mm diameter for reciprocating internal combustion engines. Vocabularly, inspection methods and generic specifications. Quality requirements Part 6.5, (1st May 1992) 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) ↗
330. Printed wiring boards. Specification for flex-rigid multilayer printed boards with through connections Part 11, (30th August 1991) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗