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| 054.021.99 | U2993 | PROTECTOR TECHNOLOGIES LTD |
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| BS1806-115 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-115 | K7766 | BRITISH STANDARDS INSTITUTION |
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| DEFSTAN02-337-115-HN70 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
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| NES 337-115-HN70 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
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