Yonhap KoreanKO
현대제철, 국내 최초 내화·내진 H형강 KS인증 획득
(서울=연합뉴스) 장보인 기자 = 현대제철이 내화성과 내진성을 갖춘 건축구조용 H형강에 대해 국내 최초로 한국산업표준(KS) 인증을 받았다고 1...
🇰🇷 대한민국 / 한국어
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