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发明人郭海燕,何建平,冯建国. "Method for the Synthesis of 2,4-Dichlorophenyldiazo-1,5-naphthalene disulfonate hydrate" [P]. 中国发明专利, 专利号 CN 113480583 B, 授权公告日 2021-09-04.
发明人周伟,王建平,李文辉. "A Process for Preparing High-Purity 2,4-Dichlorophenyldiazo-1,5-naphthalene disulfonate hydrate" [P]. 中国发明专利, 专利号 CN 108586280 B, 授权公告日 2025-03-24.
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