INTERNATIONAL PATENT: NR ELECTRIC CO., LTD., 南京南瑞继保电气有限公司, NR ENGINEERING CO., LTD., 南京南瑞继保工程技术有限公司 FILES APPLICATION FOR "MULTI-PORT FLEXIBLE INTERCONNECTION APPARATUS, ALTERNATING-CURRENT AND DIRECT-CURRENT HYBRID POWER TRANSMISSION SYSTEM AND ALTERNATING-CURRENT TRANSFORMER SUBSTATION"

GENEVA, Aug. 4 -- NR ELECTRIC CO., LTD. (No.69, Suyuan Avenue, JiangningNanjing, Jiangsu 211102), 南京南瑞继保电气有限公司 (中国江苏省南京市江宁区苏源大道69号), NR ENGINEERING CO., LTD. (No.69, Suyuan Avenue, JiangningNanjing, Jiangsu 211102), 南京南瑞继保工程技术有限公司 (中国江苏省南京市江宁区苏源大道69号) filed a patent application (PCT/CN2025/074134) for "MULTI-PORT FLEXIBLE INTERCONNECTION APPA...