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Manual
API
Products
Hexagonal, Nonmetal, Rare earth, Pls
Al-Eu-N-O-Si
Al-Ba-Eu-Mg-O
Ba-Cl-Eu-Gd-O-P
Ba-Cl-Eu-La-O-P
Ba-Cl-Eu-Lu-O-P
nonmetal
rare earth
lanthanoid
luminescent
chalcogen