INTERNATIONAL PATENT: SHANDONG YANKUANG INTELLIGENT MANUFACTURING CO., LTD., 山东兖矿智能制造有限公司, SHANDONG KANGGE ENERGY TECHNOLOGY CO., LTD., 山东康格能源科技有限公司 FILES APPLICATION FOR "DOUBLE TELESCOPIC COLUMN FOR HYDRAULIC SUPPORT AND MANUFACTURING METHOD"

Posted On: 2026-03-22

GENEVA, March 22 -- SHANDONG YANKUANG INTELLIGENT MANUFACTURING CO., LTD. (No.5289 Xiwaihuan Road, Zoucheng CityJining, Shandong 273500), 山东兖矿智能制造有限公司 (中国山东省济宁市邹城市西外环路5289号), SHANDONG KANGGE ENERGY TECHNOLOGY CO., LTD. (Room 2-301, Building 3, No. 750 Xinyu Road, High-tech Zone, Jinan, Shandong 250000), 山东康格能源科技有限公司 (中国山东省济南市高新区新宇路750号3号楼2-301) file...

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INTERNATIONAL PATENT: SHANDONG YANKUANG INTELLIGENT MANUFACTURING CO., LTD., 山东兖矿智能制造有限公司, SHANDONG KANGGE ENERGY TECHNOLOGY CO., LTD., 山东康格能源科技有限公司 FILES APPLICATION FOR "DOUBLE TELESCOPIC COLUMN FOR HYDRAULIC SUPPORT AND MANUFACTURING METHOD"