기술사 (Journal of the Korean Professional Engineers Association)
- 제34권1호
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- Pages.66-73
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- 2001
중국산 수입 옥의 문제점
Troubles for Imported China Jade
초록
Imported China Jades are mostly talc and serpentine groups, and that's occured troubles for our health and life of living organism. Serpentine is a group of common rock-forming minerals having the formula : (Mg
키워드