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2002年10月28日,“种衣剂助剂体系优化技术研讨暨推介会”在北京农业大学成功召开。这次活动是由北京农业大学种衣剂研究发展中心,北京瑞德星化工
October 28, 2002, “seed coating agent system optimization technology seminar cum promotion ” was successfully held in Beijing Agricultural University. The activity is from Beijing Agricultural University Seed Coating Research and Development Center, Beijing Ruidexing Chemical