The Magazine of the Society of Air-Conditioning and Refrigerating Engineers of Korea (대한설비공학회지:설비저널)
- Volume 26 Issue 5
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- Pages.387-395
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- 1997
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- 1229-6430(pISSN)
The product certification of NSF, ISO, CSA and UL
북미지역의 배관재료에 대한 인증제도
Abstract
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