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| B01136 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| 409740120 | K0405 | WESTON AEROSPACE LIMITED |
| 21617-30106 | K0662 | LEONARDO MW LTD |
| 334C6009-215 | K0978 | BAE SYSTEMS |
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| PF53061-6 | K0991 | MARCONI COMMUNICATION SYSTEMS LTD |
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| SW3-5-35728 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
| BS2470 | K7766 | BRITISH STANDARDS INSTITUTION |
| C | U1811 | UNBRAKO A DIVISION OF S P S TECHNOLO IES LTD |
| PF53061-6 | U2248 | SELEX ELSAG LTD |
| Y8922146 | K4001 | COMMERCIAL HYDRAULICS KEELAVITE LTD |