LY-23C LED Super thin Standard 2.5M Visual chart light box
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JH-38 Normal 5M Multi functional visual chart light box, 10cm thickness
Price
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Item#
JH-38
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0件
Description
| Specifications: | |||||||
| * Normal multi-functional vision chart light boxes | |||||||
| * Decimal record: 0.1~2.0 | |||||||
| * 5 point record: 4.0~5.3 | |||||||
| * Product size: 92 * 45 * 10cm | |||||||
| * Red-green chart, worth 4 dots, ray astigmatism chart, round dot astigmatism chart. | |||||||
| * Produced accroding international stand GB11533-89. |
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