1. Specification for metal-clad base materials for printed circuits. Flexible copper-clad polyimide film: PI-F-Cu-10 Part 10, (30th November 1977) 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) ↗
2. Specification for periodic inspection, testing and maintenance of transportable gas containers (excluding dissolved acetylenecontainers). Seamless steel containers Part 1, (30th September 1977) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (4 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗