Report - 001-001-003ebacb8ed9994ec9eportal.nrich.go.kr/file_link/Report/2013_문화재제46권제3호... · 12a-1, 2)91 SO, Feo, cao MgO, A12Q, K20%-ôl 7d Fe07Y 46.47wt.% -Pre-la 12b-1, 2)91

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