| 10-4/1-002 | U5171 | THORN E M I ELECTRONICS LTD |
| 40-1/5-002 | U5171 | THORN E M I ELECTRONICS LTD |
| 50-217 | U2164 | JAMES WALKER & CO LTD |
| 70-0300 | U2164 | JAMES WALKER & CO LTD |
| 70-0300 | U8616 | JAMES WALKER & CO LTD |
| 50-217 | U8616 | JAMES WALKER & CO LTD |
| 71-0360 | U2164 | JAMES WALKER & CO LTD |
| A8-20A-34 | U5477 | OFFSHORE MARINE ENGINEERING |
| A8-30F-24 | U5477 | OFFSHORE MARINE ENGINEERING |
| A8-40A-04/05 | U5477 | OFFSHORE MARINE ENGINEERING |
| A8-40A-06 | U5477 | OFFSHORE MARINE ENGINEERING |
| A8-45A-19 | U5477 | OFFSHORE MARINE ENGINEERING |
| A8-SA-009 | U5477 | OFFSHORE MARINE ENGINEERING |
| 71-0360 | U8616 | JAMES WALKER & CO LTD |
| BS1806-217 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-217 | K7766 | BRITISH STANDARDS INSTITUTION |
| JW50-217/PB80 | U2164 | JAMES WALKER & CO LTD |
| BS217 | U2164 | JAMES WALKER & CO LTD |
| JW50-217/PB80 | U8616 | JAMES WALKER & CO LTD |