GENEVA, June 9 -- POWERCHINA SEPCO1 ELECTRIC POWER CONSTRUCTION CO., LTD. (Building A2-6, Hanyu Jingu, Jingshi East Road No.7000，High-tech ZoneJinan, Shandong 250102), 中国电建集团山东电力建设第一工程有限公司 (中国山东省济南市高新区经十东路7000号汉峪金谷A2-6号楼) filed a patent application (PCT/CN2024/126687) for "SPOT WELDING FIXING DEVICE FOR PLATE BUTT-JOINT IN MUNICIPAL ENGINEERING" on Oct 23, 2024. With publication no. WO/2025/113001, the details related to the patent application w...