![](http://img4.cpooo.com/files/201304/07/p/58/565575_1365345393.gif)
全息光栅
1200L/mm55×55×12/35×35×850×50/30×301200L/mm55×55×12/35×35×850×50/30×301200L/mm55×55×12/35×35×850×50/30×30600L/mm55×55×12/35×35×850×50/30×30600L/mm55×55×12/35×35×850×50/30×30600L/mm55×55×12/35×35×850×50/30×30600L/mm55×55×12/35×35×850×50/30×30600L/mm55×55×12/35×35×850×50/30×30300L/mm55×55×12/35×35×850×50/30×30300L/mm55×55×12/35×35×850×50/30×30300L/mm55×55×12/35×35×850×50/30×30100L/mm55×55×12/35×35×850×50/30×301800L/mm55×55×12/35×35×850×50/30×301800L/mm35×35×830×301800L/mm35×35×830×301200L/mm90×50×2080×401200L/mm90×50×2080×401200L/mm95×55×1250×501200L/mm95×55×1250×501200L/mm35×35×830×301200L/mm35×35×830×30400L/mm55×55×1250×50300L/mm55×55×1250×50300L/mm55×55×1250×50200L/mm55×55×1250×50200L/mm55×55×1250×50)