Home / Standards / GB 41847-2022 GB 41847-2022 Active Technical requirements of lightning protection and earthing in ports 港口防雷与接地技术要求 Standard Type GB ICS 03.220.40 CCS R09 Status 现行 Issue Date 2022-08-31 Implementation 2023-03-01 Responsible Dept 交通运输部 Drafting Unit N/A