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| BS4518 REFERENCE 3993-57 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4518-3993-57 | K7766 | BRITISH STANDARDS INSTITUTION |
| JW 72-3993-57 | KD382 | JAMES WALKER UK LIMITED DBA HIGH PERFORMANCE SEALING MANUFACTURERS |
| 72-3993-57 | KD382 | JAMES WALKER UK LIMITED DBA HIGH PERFORMANCE SEALING MANUFACTURERS |
| SST/M/451/06/0006 | K6451 | BAE SYSTEMS MARINE LIMITED |
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