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| DEFSTAN02-337-110-MN90 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| BS1806-110 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-110 | K7766 | BRITISH STANDARDS INSTITUTION |
| PC64611-110 | K0991 | MARCONI COMMUNICATION SYSTEMS LTD |
| NES 337-110-MN90 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
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| NES337-110-MN90-(N93B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |