Lead in optical and filter glass.
光学玻璃及滤光玻璃中所用的铅。
Lead and cadmium in optical and filter glass.
用于光学及滤波器玻璃中的铅和镉。
Our filter production includes color and uncolored optical glass with the transmission wavelengths ranging from 180nm to 2500nm.
亚光生产的滤光片有无色光学玻璃，有色光学玻璃，透过波长从180纳米到2500纳米之间。
Our filter production includes color and uncolored optical glass with the transmission wavelengths ranging from 180nm to 2500nm.
亚光生产的滤光片有无色光学玻璃，有色光学玻璃，透过波长从180纳米到2500纳米之间。
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