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检索了自1996~2007年公开或公告的涉及专用玉米及其相关育种技术的专利申请及授权专利,并对上述专利检索数据进行了统计分析。
Retrieved from 1996 to 2007, public or public announcement of special maize and related breeding technology patent applications and patents, and the patent search data were analyzed.