GENEVA, May 4 -- SIEMENS AKTIENGESELLSCHAFT (Werner-von-Siemens-Strasse 1 Munchen80333), 西门子股份公司 (德国慕尼黑维尔纳-冯-西门子-街1号), SIEMENS LTD. , CHINA (7, Wangjing Zhonghuannan LuChaoyang District, Beijing 100102), 西门子(中国)有限公司 (中国北京市朝阳区望京中环南路7号) filed a patent application (PCT/CN2023/126317) for "METHOD AND APPARATUS FOR CHECKING PRIMARY KEY ANOMALY OF TIME SERIES DATABASE, AND ELECTRONIC DEVICE" on Oct 24, 2023. With publicatio...