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㼮 ͻ ͱݼ ȸ塤()־ ǥ̻
ͻ ð Ǿ Ұ ǹ̴ ˾ƺ . 1975 ο Ưȭ ϱ Ȯϸ鼭 ͻ ߽ µϰ ƴ. ͱݼ1, 4 1979 2 , 縦 μ ȭ ȹ濡 ߰, 뵿 Ư μ Ȱȭ ̹ϰ ȴ. ͻ 1ҿ ڵ 7õ ̻ ū ȣȲ⸦ ± ߴ. ʱ ǰ Ϲ ť ˷ ִ cubic zircornia ̾Ƹ ǰ Ǵ μ ̱ 80%̻ ̾µ ̴ ͻ ܿ ǰ ǰ ǥ ó ߵǾ ѱ ձ յ ǰ ߰ ־ ̴. ݺ 10 ̻ ݾ ŷ ̷. ΰǺ ° ֺ ߰ ͻ (־ )о߷ ȯ ǰ 30 μ 1990 Ĺݿ Ȱ⸦ ã ߴ. ͻ ǥ ǰ ״Ͻ Ҹ ǰ ǰ 絵 ͻ 鿡 ϰ , ѱ ǿ ´ ǰ ǰ ־ ƴ ߱ μ ̰ ѱ ̾ ִ. ͻ ħüǾ ִ ̴. ͻ ؿ ߽ ϰſ ִ ִ. 꼳 õǾְ ѹα Ϻ, ߱, ʸ ؿܿ Ȱϰ ִ ְ ε ٰμ ô Ͽ찡 ͻ Ÿ ȿ ϰ ֱ ̴.
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