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| 14A5281 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 300697070 | K0405 | WESTON AEROSPACE LIMITED |
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| 42179-061-00-9 | KC1M9 | BAE SYSTEMS MARITIME SERVICESLIMITED |
| 42179-061-00-9 | U2248 | SELEX ELSAG LTD |
| 5SA2831 | K0361 | THORN E M I ELECTRONICS LTD |
| 5SA2831-1 | K0361 | THORN E M I ELECTRONICS LTD |
| 42179-061-9 | K4547 | SIEMENS AIR TRAFFIC MANAGEMENT |
| 65PPT00-733615 | K5562 | S T C TELECOMMUNICATIONS LTD |
| 857617 | U1278 | MINISTRY OF DEFENCE NAVY |
| 5SA2831-1 | U4338 | THALES UK LIMITED DBA THALES UK LTDDEFENCE MISSION SYSTEMS |
| 5SA2831 | U4338 | THALES UK LIMITED DBA THALES UK LTDDEFENCE MISSION SYSTEMS |
| 65PPT00-733615 | U4756 | CASSIDIAN LIMITED |
| B21387 | K0967 | MBDA UK LTD |
| ERADA34657 | K0991 | MARCONI COMMUNICATION SYSTEMS LTD |
| PC66203-1 | K0991 | MARCONI COMMUNICATION SYSTEMS LTD |
| 999-4-00700 | K1423 | BRITISH AEROSPACE LAND & SEA SYSTEMS POST DESIGN SERVICES |
| PC66203-1 | K2059 | MARCONI BROOMFIELD LTD |
| Y2240095-1 | K3743 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
| Y2240095-1 | K6894 | BAE SYSTEMS RO DEFENCE |
| PC66203-1 | U2248 | SELEX ELSAG LTD |
| 999-4-00700 | U2248 | SELEX ELSAG LTD |
| ERADA34657 | U2248 | SELEX ELSAG LTD |
| LP733615 | U4756 | CASSIDIAN LIMITED |