바라보기, 찾기, periodic table, 週期律表, 주기율표, International Union of Pure and Applied Ch
#바라보기, 찾기, periodic table, 週期律表, 주기율표, International Union of Pure and Applied Chemistry, IUPAC국제 순수·응용 화학 연합 https://iupac.org/iptei/ IUPAC Periodic Table of the Elements and Isotopes (IPTEI) for the Education Community - IUPAC | International Union of Pure and The IUPAC Periodic Table of the Elements and Isotopes (IPTEI) was created to familiarize students, teachers, and non-professionals ..
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