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| Sub-Chapter | 2005 | 2006 | 2008 |
| Optical fibres and optical fibre bundles | $395 | $878 | $117 |
| Lenses, prisms, mirrors and other optical elements, of any material | $3,164 | $243 | $2,738 |
| Spectacles, goggles and the like, corrective, protective or other. | $4,435 | $1,387 | $16,979 |
| Photographic (other than cinematographic) cameras | $1,191 | $440 | |
| Liquid crystal devices | | $10 | |
| Balances of a sensitivity of 5 cg or better, with or without weights. | | | $129 |
| Instruments and appliances used in medical, surgical, dental or veterinary ... | $1,005 | $953 | |
| Other breathing appliances and gas masks, excluding protective masks | $515 | | $1,883 |
| Parts and accessories (not specified or included elsewhere in this Chapter) ... | $808 | | $1,260 |
| Total | $11,513 | $3,911 | $23,106 |
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