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| BS1806-129 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-129 | K7766 | BRITISH STANDARDS INSTITUTION |
| C6438733 | U0834 | VOKES AIR FILTERS LTD |
| GD1453B13 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| S7-02-149 | K2525 | THALES AIR DEFENCE LTD |