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| 17-27B330 | 99237 | AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD |
| B02591 | K0967 | MBDA UK LTD |
| BS1806-330 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-330 | K7766 | BRITISH STANDARDS INSTITUTION |
| GD1801-33 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |