发明人张德明,郭海燕,王建平. "Method for the Synthesis of 1,2-Ethylenediphosphonic Acid" [P]. 中国发明专利, 专利号 CN 116557568 A, 授权公告日 2024-06-22.
发明人罗永刚,陈志强,黄志刚. "A Process for Preparing High-Purity 1,2-Ethylenediphosphonic Acid" [P]. 中国发明专利, 专利号 CN 108182956 A, 授权公告日 2022-05-07.
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