| 26-021-03 | K0013 | HALL AND HALL LTD |
| 26-021-03 | U4330 | HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK |
| D1509M | K0013 | HALL AND HALL LTD |
| BS1806-021 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-021 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS0219220011 | U4330 | HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK |
| D1509M | U4330 | HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK |