| 0321-16 | K7766 | BRITISH STANDARDS INSTITUTION |
| 25047 | U1881 | HAMWORTHY COMPRESSOR SYSTEMS LTD |
| AZL1TEM10-1 | K0801 | KELVIN HUGHES LIMITED |
| UW232D2A | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |
| BS4518 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4518-0321-16 | K7766 | BRITISH STANDARDS INSTITUTION |