发明人刘建华,郭海燕,胡光. "Method for the Synthesis of Praseodymium(III) nitrate hexahydrate" [P]. 中国发明专利, 专利号 CN 116365507 B, 授权公告日 2020-01-16.
发明人冯建国,韩伟,王建平. "A Process for Preparing High-Purity Praseodymium(III) nitrate hexahydrate" [P]. 中国发明专利, 专利号 CN 114074914 A, 授权公告日 2022-06-02.
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