GENEVA, Jan. 11 -- 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), 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) filed a patent application (PCT/CN2025/087181) for "GRIDDING PROTECTION METHOD AND APPARATUS ...
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