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该表记录上市公司的专利因子,每个月末一个日期,每个日期每只证券一行。字段分为证券信息和 6 个统计窗口的因子两部分,共 490 个字段。
SELECT date, instrument, name, CPY_STOCK_CODE, TG_B001, TG_B002, TG_B003 FROM cn_stock_patent WHERE date >= '2026-10-06' ORDER BY date LIMIT 100