The invention relates to a glass composition for use in a lamp bulb including cobalt oxide to provide a blue colored glass, which composition comprises alkali metal oxide including lithium oxide.
本发明涉及一种用于灯泡的玻璃合成物，其含有能提供蓝色玻璃的氧化钴，组分中含有包括氧化锂的碱金属氧化物。
Blue-Light phone - Brightly-colored phone posts with a blue light bulb on top.
电话顶端粘贴一个蓝色的小灯泡。
Blue-Light phone - Brightly-colored phone posts with a blue light bulb on top.
电话顶端粘贴一个蓝色的小灯泡。
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