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| 3141K7766BS4518.0106-24 | K7766 | BRITISH STANDARDS INSTITUTION |
| 6991K1806WE122C1 | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |
| 4141K2516NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |