| 200-331-9775 | U1086 | DAWSON AND USHER |
| 828 ITEM 19 | U0202 | ROLLS-ROYCE POWER ENGINEERING PLC |
| BS1806-331 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-331 | K7766 | BRITISH STANDARDS INSTITUTION |
| PC22935 | U0202 | ROLLS-ROYCE POWER ENGINEERING PLC |
| 828/19 | U0202 | ROLLS-ROYCE POWER ENGINEERING PLC |