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| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-023 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-023 | K7766 | BRITISH STANDARDS INSTITUTION |
| FV 2094700-44 | U0795 | QINETIQ |
| FV 2095706-24 | U0795 | QINETIQ |
| R2106G75 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |