| 325 | K7766 | BRITISH STANDARDS INSTITUTION |
| 4167037-001 | K6571 | BULL INFORMATION SYSTEMS LIMITED |
| BS1806-325 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-O5.28 | K7766 | BRITISH STANDARDS INSTITUTION |
| 50-325 | U2164 | JAMES WALKER & CO LTD |
| 50-325 | U8616 | JAMES WALKER & CO LTD |
| BSM48-325 | K7766 | BRITISH STANDARDS INSTITUTION |
| O528 | K7766 | BRITISH STANDARDS INSTITUTION |