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| BS4183 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4183SMMCFCSL06-0X030S00048NT | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| DEFSTAN53-23 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS4183-TABLE 2 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4183SMMCFCSL06-0X030S00048NT | K9090 | MINISTRY OF DEFENCE |
| P7934-18 | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |
| P79341TEM18 | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |