이준근 2024-01-22T02:32:32Z 2024-01-22T02:32:32Z 2022-01-10 1980-01 https://pubs.kist.re.kr/handle/201004/148250 방탄요업체로서의 B//4C. Article 3 한국요업학회지, v.v. 17, pp.184 - 188 한국요업학회지 v. 17 184 188 B//4C application