| 2723300 | K0013 | HALL AND HALL LTD |
| 2723300 | U4330 | HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK |
| 85-690-3354 | F5385 | SECTION DE CODIFICATION 85DGA/SMA/AIA/CP |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-233 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-233 | K7766 | BRITISH STANDARDS INSTITUTION |