a 한국재료연구원 3D프린팅재료연구실
b 경북대학교 신소재공학부
a Department for 3D Printing Materials, Korea Institute of Materials Science, 797 Changwon-daero, Changwon-si, Gyeongnam 51508, Republic of Korea
b Department of Metallurgical Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu 41566, Republic of Korea
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