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                                                  • Lanthanum cerium oxide
                                                    Lanthanum cerium oxide
                                                  • Cerium oxide
                                                    Cerium oxide
                                                  • Lanthanum oxide
                                                    Lanthanum oxide
                                                  • Praseodymium neodymium oxide
                                                    Praseodymium neodymium oxide
                                                  • Neodymium oxide
                                                    Neodymium oxide
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