中交三航局取得水下组合钢管桩切割工艺专利

Group 1 - The State Intellectual Property Office of China has granted a patent for an underwater combined steel pipe cutting process to China Communications Construction Company Third Harbor Engineering Bureau Co., Ltd. and China Communications Construction Company Third Harbor Bureau Second Engineering Co., Ltd. The patent authorization announcement number is CN116460361B, with an application date of February 2023 [1] - China Communications Construction Company Third Harbor Engineering Bureau Co., Ltd. was established in 1984 and is based in Shanghai. The company primarily engages in civil engineering and construction, with a registered capital of 6020.95 million RMB. It has invested in 124 companies, participated in 5000 bidding projects, holds 3016 patents, and has 728 administrative licenses [1] - China Communications Construction Company Third Harbor Bureau Second Engineering Co., Ltd. was established in 1993 and is also based in Shanghai, focusing on retail. The company has a registered capital of 158 million RMB, has invested in 5 companies, participated in 708 bidding projects, holds 246 patents, and has 86 administrative licenses [1]