№ EP4674609A1발명
심사 중THREE-LAYER COMPOSITE PIPE AND MANUFACTURING METHOD THEREFOR
THREE-LAYER COMPOSITE PIPE AND MANUFACTURING METHOD THEREFOR
❖Orinko High Performance Materials Technology
Co., Ltd; Orinko Advanced Plastics Co., LtdZHENG, Wei; SUN, GangweiJan 6, 2026B32B, B32B, B32B +420