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Supply BK7 Bi-concave lens |
01 Jun 2010 Supply BK7 Bi-concave lens BK7 Bi-concave lens EFL:-10mm-- -1000mm Dia:6.00mm—75.00mm Material: BK7(China K9) S/D:40/20 Centration:<3arcmin Customer design Supply BK7 Bi-concave lens BK7 Bi-concave lens EFL:-10mm-- -1000mm Dia:6.00mm—75.00mm Material: BK7(China K9) S/D:40/20 Centration:<3arcmin Customer design |
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| Changchun |
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| 130022 |
| China |
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| Fax: 86-431-85353338 |
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