Difference between revisions of "Tempered glass"
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Latest revision as of 13:24, 6 February 2006
소입에 의해 열적변형을 남기고 표면강도를 높인 것으로 유리를 연화점 가까이 가열했다가 갑자기 차갑게 하여 만든다.
- This page was last edited on 6 February 2006, at 13:24.
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