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18.97.9.173
18.97.9.173
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가스밸브 주강의 누설결함 방지에 관하여
On the Prevention of Leakage of Gas Valve Steel Castings
김형수 ( Hyung Soo Kim )
UCI I410-ECN-0102-2009-580-008958571
This article is 4 pages or less.
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