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관련자료 => 고급 취옥처리 (Advanced Emerald Treatment)

1960 년대부터 취옥 강화(enhancement)용으로 주로 사용되는/되었던 강화재들의 특성(주로, 단점)들을 간단히 기술하고, Arthur Groom사의 Clarity Enhancement Laboratory에서 생산/시공하고 있는 새로운 강화재인 ExCel에 의한 강화의 장점을 부각시키기 위하여 작성된 글입니다.

출처: www.arthurgroomandco.com
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