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| 1TA202689 | K0236 | MINISTRY OF DEFENCE PROCUREMENT EXECUTIVE |
| BS1806-234 | K0013 | HALL AND HALL LTD |
| 2407/0225 | K7599 | J.C. BAMFORD EXCAVATORS LIMITED |
| BS1806-234 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-234 | U4330 | HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK |
| D212M | K0013 | HALL AND HALL LTD |
| UX13158 | K5086 | ROLLS-ROYCE POWER ENGINEERING PLC (ROLLS-ROYCE & ASSOCIATES) |
| BSM48-234 | K7766 | BRITISH STANDARDS INSTITUTION |