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| BS4518 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN02-337-0543-57-MN70 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-0543-57-MN70 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| BS4518-0543-57 | K7766 | BRITISH STANDARDS INSTITUTION |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| SSKS002309 | KC6K3 | LEAFIELD LOGISTICS & TECHNICAL SERVICES LIMITED |
| NES337-0543-57-MN70-(N73B) | L6427 | MOBILE VALVE REPAIRS |
| NES337-0543-57-MN70-(N73B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |