发明人王建平,孙丽萍,林芳. "Method for the Synthesis of CI reduction black 1" [P]. 中国发明专利, 专利号 CN 108559042 B, 授权公告日 2020-05-01.
发明人赵玉洁,高志强,徐明华. "A Process for Preparing High-Purity CI reduction black 1" [P]. 中国发明专利, 专利号 CN 113410975 A, 授权公告日 2018-10-16.
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