Natural Language Query (Chinese):
看看索尼或齐重数控装备股份有限公司这块，许可人是中国中煤能源集团有限公司、2020年前申请日、法律状态已授权的专利有哪些？

SQL-like Query (Chinese):
patent|org_name:(索尼 OR 齐重数控装备股份有限公司) AND licensor:中国中煤能源集团有限公司 AND application_date:[* TO 20200101] AND legal_status:授权

Natural Language Query (English):
Looking at Sony or Qizhong CNC Equipment Co., Ltd., what patents have been granted before 2020 with the licensor being China Coal Energy Group Co., Ltd.?

SQL-like Query (English):
patent|org_name:(Sony OR Qizhong CNC Equipment) AND licensor:China Coal Energy Group AND legal_status:granted AND application_date:[* TO 20200101]